diff --git a/1027_sim_demo/ring_v1/videos/33/0.mp4 b/1027_sim_demo/ring_v1/videos/33/0.mp4
deleted file mode 100644
index dec18daf78e2fc37a6d65fde507818558e86dec6..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/33/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:781c802412c87d6ac5ed3e91c420178787a95b8c445207d385a296f759ff208b
-size 842276
diff --git a/1027_sim_demo/ring_v1/videos/33/1.mp4 b/1027_sim_demo/ring_v1/videos/33/1.mp4
deleted file mode 100644
index 529872c55a93433c13e06a3c3ef6eaa7dd3c4aa1..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/33/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:74e7d28ce3d2a853d22ce6d871a0957ec393583616c355b45fa2c6f2b8a0c2a9
-size 61060005
diff --git a/1027_sim_demo/ring_v1/videos/34/0.mp4 b/1027_sim_demo/ring_v1/videos/34/0.mp4
deleted file mode 100644
index d1532c857ce00a0a71c63ee8611702c5f3a9a665..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/34/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4a22d57d069b3c6306193a6c9b7721add39dff4fe0d1ce5ed8122886cb350c90
-size 868539
diff --git a/1027_sim_demo/ring_v1/videos/34/1.mp4 b/1027_sim_demo/ring_v1/videos/34/1.mp4
deleted file mode 100644
index 0e9ff2739345ffb89e2c3dab96490d53cab4c763..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/34/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:21fe9ae9f8dbaa7465c793019072db841acae42cff16984bb1f7d8fdec3b769c
-size 62269850
diff --git a/1027_sim_demo/ring_v1/videos/35/0.mp4 b/1027_sim_demo/ring_v1/videos/35/0.mp4
deleted file mode 100644
index 03e2f08f2f30248778032b9879b262e35e588486..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/35/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2536b7e733ea8a39ee2bb88a48bfd1ebcd10e83aec3bd5581487a2e824861b02
-size 880800
diff --git a/1027_sim_demo/ring_v1/videos/35/1.mp4 b/1027_sim_demo/ring_v1/videos/35/1.mp4
deleted file mode 100644
index 9983b66fb1a70fe2f1160446466b690b12399355..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/35/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7427283ad47e05dac9d53ef4c38133ae67d81db6f162a0c7430485e227bc5a02
-size 62985207
diff --git a/1027_sim_demo/ring_v1/videos/36/0.mp4 b/1027_sim_demo/ring_v1/videos/36/0.mp4
deleted file mode 100644
index 490432638ae4a96af6c7a35744a6ea14c8bc8396..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/36/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d4d3a4f0ffe3d48c87162825dfd55dda219d8cf2c87af5393157bbabee8f2f2e
-size 872552
diff --git a/1027_sim_demo/ring_v1/videos/36/1.mp4 b/1027_sim_demo/ring_v1/videos/36/1.mp4
deleted file mode 100644
index e3ba663c1e6f306ddf561f047cd9b31b611b251a..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/36/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bccaf05511c080bc755e4ce7ce694a47b4d4bf5407488ba0bc57ec1b717fabe4
-size 63524691
diff --git a/1027_sim_demo/ring_v1/videos/37/0.mp4 b/1027_sim_demo/ring_v1/videos/37/0.mp4
deleted file mode 100644
index fef03d545953c8834c81762bec88a476a751bc01..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/37/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9f9b20e588cdfcb24d9cd08eececc65fb91b9194585b8f24017a2a988d1cd811
-size 863835
diff --git a/1027_sim_demo/ring_v1/videos/37/1.mp4 b/1027_sim_demo/ring_v1/videos/37/1.mp4
deleted file mode 100644
index b7177ebe00d1a56823d975f73bfa1d1ca33c1202..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/37/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0491c05dab37e7efdb0f97b247332752cd78845368522149cfddfe263df74303
-size 62226232
diff --git a/1027_sim_demo/ring_v1/videos/38/0.mp4 b/1027_sim_demo/ring_v1/videos/38/0.mp4
deleted file mode 100644
index d8180fa322a99b7437b6484f6df54bb8c00c18f3..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/38/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e9b42751565e0b7e9dba3999c65e3f285b292a31158c92751fcde2bcf4834798
-size 877360
diff --git a/1027_sim_demo/ring_v1/videos/38/1.mp4 b/1027_sim_demo/ring_v1/videos/38/1.mp4
deleted file mode 100644
index ed85745462b6a794766ac77de61986a7e489d5fd..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/38/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:28840d9b3f321bef822304262017ed51512196594b5595123c54f0e4c7cff7bf
-size 63384004
diff --git a/1027_sim_demo/ring_v1/videos/39/0.mp4 b/1027_sim_demo/ring_v1/videos/39/0.mp4
deleted file mode 100644
index 093fe5df598c93a5dfef4eb1c78c716472ba6609..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/39/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fb51d5a5e4007e9ff8f6a69b5966f19e35b3475c0464292d1b84ed8da5a429d5
-size 840234
diff --git a/1027_sim_demo/ring_v1/videos/39/1.mp4 b/1027_sim_demo/ring_v1/videos/39/1.mp4
deleted file mode 100644
index 4c7657dcff0a1c10da3882f31993924ec5a7c2e7..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/39/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c6b6428b87c867dfbc222459e04b2713bdfac16984c2ac4fdff6a84ecc7e8936
-size 60356297
diff --git a/1027_sim_demo/ring_v1/videos/40/0.mp4 b/1027_sim_demo/ring_v1/videos/40/0.mp4
deleted file mode 100644
index c80d7dc4d3142a53669868923a6a37306b257c6a..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/40/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6db6fa176ea75850c4ca061565cefa60278ac5638f5b2f5bf4f628c7206f2bfd
-size 859707
diff --git a/1027_sim_demo/ring_v1/videos/40/1.mp4 b/1027_sim_demo/ring_v1/videos/40/1.mp4
deleted file mode 100644
index 5b49d268719682c0822de3aebc8d67ccdd957c4d..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/40/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f78ab725286536a5ed1250c3ecd347ddc7e6c3585045d8cfae8c3c208b73bc5d
-size 62130010
diff --git a/1027_sim_demo/ring_v1/videos/41/0.mp4 b/1027_sim_demo/ring_v1/videos/41/0.mp4
deleted file mode 100644
index c3c927fd3dacc9d574687249adad6a8dd554d136..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/41/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9d4580e89150e7ac58e312bfa181de743b005d0232ea7961adab35f2bdaf206f
-size 888671
diff --git a/1027_sim_demo/ring_v1/videos/41/1.mp4 b/1027_sim_demo/ring_v1/videos/41/1.mp4
deleted file mode 100644
index 5d900fcdae73db51ce3508d30f45acac0e0e1631..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/41/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a1e0aec756e3c824005b2d039cb6bbc75f646cb4ef3b5747642dfdbaf4d94e3d
-size 64227257
diff --git a/1027_sim_demo/ring_v1/videos/42/0.mp4 b/1027_sim_demo/ring_v1/videos/42/0.mp4
deleted file mode 100644
index 0e1475bd668f6aea51bbe320b8f112c870790a8b..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/42/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a2b12db78405fcb9f8976a412c9c171a31b36e8352a7bb2983b09248d52d0f01
-size 854878
diff --git a/1027_sim_demo/ring_v1/videos/42/1.mp4 b/1027_sim_demo/ring_v1/videos/42/1.mp4
deleted file mode 100644
index d8873c0c0430ff978c79c87f7ba33d474790a4a9..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/42/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6d6e08463b283487ef5541e7ac61b1825b815ceba03af1e35a2b0abe65fbade8
-size 62284532
diff --git a/1027_sim_demo/ring_v1/videos/43/0.mp4 b/1027_sim_demo/ring_v1/videos/43/0.mp4
deleted file mode 100644
index 3be038a8f4044276ea1524d60e34ca687ac7d6cf..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/43/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0ec99ba802ae2c2e3eb10c94f2f838e319f16b555e93405195bbdf3d7f3c9568
-size 908333
diff --git a/1027_sim_demo/ring_v1/videos/43/1.mp4 b/1027_sim_demo/ring_v1/videos/43/1.mp4
deleted file mode 100644
index 37e0af3c2945d9776cc42eb83e5eb4afdd563f3f..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/43/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:392f2fb86c3d095ffe30a7d540b8a2a38446a340e2e1f180930160fdd54e6bfa
-size 64279970
diff --git a/1027_sim_demo/ring_v1/videos/44/0.mp4 b/1027_sim_demo/ring_v1/videos/44/0.mp4
deleted file mode 100644
index fc5c89f0550ac1b3cdf3ae894957f58fdda60513..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/44/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ced045e59fed61a1c32d026431f11cf732753c33c7e68db4fa9d69dda810e106
-size 904128
diff --git a/1027_sim_demo/ring_v1/videos/44/1.mp4 b/1027_sim_demo/ring_v1/videos/44/1.mp4
deleted file mode 100644
index 5bcbe6450ff1d3414acb3c219164d36d595502c5..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/44/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b000b013177b6c73adbcf43ebb1110cd963ec89247bbe3a24dd88d7bb298f88f
-size 65016989
diff --git a/1027_sim_demo/ring_v1/videos/45/0.mp4 b/1027_sim_demo/ring_v1/videos/45/0.mp4
deleted file mode 100644
index 8687806f689556e5c0da4eddbe0672c94d6ab06d..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/45/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:823f31be43893b2c47f2d99ae5c87a4b7ecc05eb5dd3573bb24294413164037a
-size 846898
diff --git a/1027_sim_demo/ring_v1/videos/45/1.mp4 b/1027_sim_demo/ring_v1/videos/45/1.mp4
deleted file mode 100644
index f9312ea3a95589f6b1d1053d911745e47a1f6a11..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/45/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7bf8b7293b583fb736e1fb2a174816667f9eb94de14240bab69f0499c497d37c
-size 61505805
diff --git a/1027_sim_demo/ring_v1/videos/46/0.mp4 b/1027_sim_demo/ring_v1/videos/46/0.mp4
deleted file mode 100644
index 0889d1976199a558e445ca985999b3cc60a6295e..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/46/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9d540922bc5b8395348708d67ff00fc9942c4dc9fee11602ba031063b3e451f2
-size 876988
diff --git a/1027_sim_demo/ring_v1/videos/46/1.mp4 b/1027_sim_demo/ring_v1/videos/46/1.mp4
deleted file mode 100644
index 4e2e57410de421e6d11e3c465f4fb27252871056..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/46/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1ce280eb17d7370571f6c5e2536b7ed4c6c1178df6a89220fdedc1039d6a0042
-size 61983297
diff --git a/1027_sim_demo/ring_v1/videos/47/0.mp4 b/1027_sim_demo/ring_v1/videos/47/0.mp4
deleted file mode 100644
index 24515f821c37adcac428a574e89b77342b5b1d95..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/47/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c63078e82c7999a65b42c6c9d5f046d6f9e21fd435609b8ab28e001a126e5004
-size 860911
diff --git a/1027_sim_demo/ring_v1/videos/47/1.mp4 b/1027_sim_demo/ring_v1/videos/47/1.mp4
deleted file mode 100644
index e0181b0d375ee8d450d3de61810a0666899cb1ba..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/47/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b6b9def048f69d810f1d87a1f2c1b5b9c8b532042b1280da816b77177123a245
-size 61702591
diff --git a/1027_sim_demo/ring_v1/videos/48/0.mp4 b/1027_sim_demo/ring_v1/videos/48/0.mp4
deleted file mode 100644
index 6aa2c2fc93079ef69c31f2f824536ef2d1c60a7f..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/48/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d2686d08de56719e9be9a51fd8017c1dc4a4d8b3e1bcc7c0c1a9cfcb4adb9a19
-size 888957
diff --git a/1027_sim_demo/ring_v1/videos/48/1.mp4 b/1027_sim_demo/ring_v1/videos/48/1.mp4
deleted file mode 100644
index 2b17c0d22a49ed3a70cafd232a9dde7bb8f754da..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/48/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b094f360c69529c27518d6c7d404089eba3c816419e43ee6b6b355df349cb640
-size 62637584
diff --git a/1027_sim_demo/ring_v1/videos/49/0.mp4 b/1027_sim_demo/ring_v1/videos/49/0.mp4
deleted file mode 100644
index ef2775f1628801c8da50776faed79c877d787c78..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/49/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c0b92b59a115b9cbb69a02b06f61672ca687f17a5cf4c2597e5631a245898d8c
-size 854576
diff --git a/1027_sim_demo/ring_v1/videos/49/1.mp4 b/1027_sim_demo/ring_v1/videos/49/1.mp4
deleted file mode 100644
index 663002e1107f15bb408ec380b79289f0fdcfcdc7..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/49/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c6ce0d1dcfbf776c0e0d18e0a76dd438b3c9d63852bb2aef25cc463f9f916541
-size 61563460
diff --git a/1027_sim_demo/ring_v1/videos/5/0.mp4 b/1027_sim_demo/ring_v1/videos/5/0.mp4
deleted file mode 100644
index 8c87c7b40bc8e72ee1b1e7815ac4c97879d95119..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/5/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6f8aa0a9a3fabec65b6222a89a00af2c428690c41505ba6653d096ec0dcdd401
-size 863790
diff --git a/1027_sim_demo/ring_v1/videos/5/1.mp4 b/1027_sim_demo/ring_v1/videos/5/1.mp4
deleted file mode 100644
index e9118c6350e84e3b071fb61ebcb6eddf4defec06..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/5/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7d7dd6918c758c32570713d7b8cb3d88f3617709c9ca57b32a2d15642415cdd4
-size 62240361
diff --git a/1027_sim_demo/ring_v1/videos/6/0.mp4 b/1027_sim_demo/ring_v1/videos/6/0.mp4
deleted file mode 100644
index 44bd859f055a3c76a3c5fdefaeaaa7f6a42b8ca1..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/6/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:686911064cc9363f84db94a978c8a8552066776fab1e761fdc2f560b7e1131fb
-size 860944
diff --git a/1027_sim_demo/ring_v1/videos/6/1.mp4 b/1027_sim_demo/ring_v1/videos/6/1.mp4
deleted file mode 100644
index 81336ebc2e06e49d62a907bfa09cfda750df04b3..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/6/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c2fb1fd902035100bffc6628ad0a06094c9c76ef666c9af796a790169ae26c11
-size 61476911
diff --git a/1027_sim_demo/ring_v1/videos/7/0.mp4 b/1027_sim_demo/ring_v1/videos/7/0.mp4
deleted file mode 100644
index 775db9a2e0c22269a4517afeef2aa548276f5608..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/7/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6c8181b27fc6179bd60d7a0598e841f2eec83bbdca6cb7e7a128b186d0014ee8
-size 834093
diff --git a/1027_sim_demo/ring_v1/videos/7/1.mp4 b/1027_sim_demo/ring_v1/videos/7/1.mp4
deleted file mode 100644
index 866d51669b94f70c54a51d63451aa4efc7679c43..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/7/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a4e0c0d5832579e383b56aad5394ef22c70023217930ff1f51a49d03fdb0a76e
-size 62153422
diff --git a/1027_sim_demo/ring_v1/videos/8/0.mp4 b/1027_sim_demo/ring_v1/videos/8/0.mp4
deleted file mode 100644
index 156b89927d333485303a803a7b7cea1a122dc5ab..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/8/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:76dfef78af9529fbf06f81a65d409087293d5e4e4787943f04e75e35100225ed
-size 856997
diff --git a/1027_sim_demo/ring_v1/videos/8/1.mp4 b/1027_sim_demo/ring_v1/videos/8/1.mp4
deleted file mode 100644
index a51913a3a8a0b24d234e28522ca4ed356b6f69a6..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/8/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:43a161f4452cd9e4d4354f39b9a06f7fe6ecb2ab1f121e2ab02b365b876a4ff4
-size 62544688
diff --git a/1027_sim_demo/ring_v1/videos/9/0.mp4 b/1027_sim_demo/ring_v1/videos/9/0.mp4
deleted file mode 100644
index 1ea5dad4d23a6b83474153a73629a09ece51a248..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/9/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a1f6a7d1f87c8aabafb7e2612915d1d0fb5f53895a94512162d8b1c76bd95a04
-size 849300
diff --git a/1027_sim_demo/ring_v1/videos/9/1.mp4 b/1027_sim_demo/ring_v1/videos/9/1.mp4
deleted file mode 100644
index 67789845e172230d054309fdfac37b0a89206a19..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ring_v1/videos/9/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b08850426e779a6f368cc0cd5053cf91a2e89a99bce852ee6bf782bbca3b117c
-size 61970007
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/10/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/10/0.mp4
deleted file mode 100644
index 95925efe6a7e143ad71a3c75fe422589182561b6..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/10/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:84e0f229a2a64b2f35f0c30b6e11f779227346f265cb60c1dba30c32557c0378
-size 806906
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/10/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/10/1.mp4
deleted file mode 100644
index 6dc86c0ce8201bc2dcd312188aefcd0dac59376b..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/10/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:7d8805159a67cbaa28b42cc367673eff4b7d193f63b1b9da1871181a311262af
-size 56229602
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/11/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/11/0.mp4
deleted file mode 100644
index 1dd73c5bb0be5a4f4198256edb4e1847e6662d0c..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/11/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:56e3b0c2930fd730e67a3f2f78a8c5832cea6230bf0795bda58ecf0f6617cc00
-size 794807
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/11/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/11/1.mp4
deleted file mode 100644
index 35358d30b8dd7d74fb47cd3150dfe0de29610340..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/11/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b862ecf9059633ec7e5f7e57031a2b07bfca0e8da693c22ec21be3113ca66f65
-size 57132125
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/12/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/12/0.mp4
deleted file mode 100644
index b006de825eed201eb8fac0bb1c9e666d9b0a3a83..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/12/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:62e064352c241fb5e6539bc17052a324d7b4b1ce4de2874e52b43c5d09145a5d
-size 859473
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/12/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/12/1.mp4
deleted file mode 100644
index c6291a9a88560c99b424868a26d667f483e50e94..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/12/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:de9d823452f2a96326da897ae15f19597fd4107ce46a64ecdb4d282c037e6fb3
-size 59133836
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/13/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/13/0.mp4
deleted file mode 100644
index ca933a81d6eb46d34e1e9a17837feb5a36c61ba7..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/13/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5f36c8e2cf3f3baadf7c58311173a3ec8c81e5ba41e434f7900acd517cc5e8c3
-size 859037
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/13/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/13/1.mp4
deleted file mode 100644
index f579c476caae41688575cda8412c770449ca16f2..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/13/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:083f494bf7e91be23909d1a6c600a4653555be682570bb8ade6b73be0806f66d
-size 59686468
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/14/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/14/0.mp4
deleted file mode 100644
index 3db145f7f6c6154867c918b7287e1dfe380969ba..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/14/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:9cfd3beba65b2b448c788d3069d137d05206f119433e2c06556e4cfa5766ed4f
-size 835438
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/14/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/14/1.mp4
deleted file mode 100644
index 64a02ee6cdbd378059fd21f69ae7c854ddba4ed8..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/14/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e668c899c95ff5155f1986850ad044db3c7651b677a8042600eb87520f869c4a
-size 59150728
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/15/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/15/0.mp4
deleted file mode 100644
index 70c6948429afb620bfe1d61bcb4643fc1919f74e..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/15/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:824be49824c35a37496dc6ee6b2260c86b5843c195ca45a4a5e66dffd7ca7315
-size 855071
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/15/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/15/1.mp4
deleted file mode 100644
index bc9bc28a3e2b63ab7d37ce10bf602708bc2402c5..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/15/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a14903c4c9183a241b4035aab980e8c9507e678de994c81e41f69d4621a7fc82
-size 58715865
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/16/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/16/0.mp4
deleted file mode 100644
index 6b83888b44737cee88ac68132eabfda2b7f22801..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/16/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4cf35faf75b01d78174e0352ce08a925fb74ddc4934ae8de405b96e4640c9338
-size 834637
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/16/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/16/1.mp4
deleted file mode 100644
index 7eba033f972ac4353d0dd1d0100b6c48410e0192..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/16/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:80b470103059abef4ba1220168f6426ae3e3abfb1e805138275df2ba9b99b7a8
-size 57928465
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/17/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/17/0.mp4
deleted file mode 100644
index 016bcbe390678861a503c1a3f770efff925c58d2..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/17/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1233a51adfc2260cdef02595e229153b1dd61a66615bfd2adc42055e420ff39e
-size 849909
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/17/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/17/1.mp4
deleted file mode 100644
index b56edc84097cc5cc2a19e35d70d99cabba5504a7..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/17/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b33b187c44ecf265944428a3e1ea9abe3b778772001dc78f3a2c6de1f4441e2f
-size 58172342
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/18/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/18/0.mp4
deleted file mode 100644
index 26a4c9266ede839e3e19a316762c2d22f6b8d62f..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/18/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:83ee5e9216383721c80b8db8f848fd463469141090c85b46bbca4966c8e75568
-size 808830
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/18/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/18/1.mp4
deleted file mode 100644
index 0fa38a5ffac0b644a68172099af5b7e7337407fe..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/18/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8e789522203c72cccdceb1e4a3cf388faba0b92157da795b29789db7e0d62729
-size 57050818
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/19/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/19/0.mp4
deleted file mode 100644
index b7ce3caf84e83b9ac991e4f748d8a8359d41bba6..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/19/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:254986bbf5c4e30eb21303a475fa7b1bd5cfaca94e6169584c4c7535dca5fc63
-size 802847
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/19/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/19/1.mp4
deleted file mode 100644
index 63c84e1af0ea395615af1dba75b608d8ca8329a9..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/19/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f93646ba4c63c99b1d91b570223b5ac919cf549ad6354c440bd0cb9ea7496761
-size 56120121
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/20/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/20/0.mp4
deleted file mode 100644
index b5644166e5bb342dcdc17d210f893e4010389677..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/20/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8244ebab52e901e2e9c50d28435f931208c323665eb95ad6c0fc8ecbf6ea8d42
-size 867237
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/20/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/20/1.mp4
deleted file mode 100644
index e4eb9771271c0b6b0ef52e56feed33f5cefce32c..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/20/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bab32e64037b06a326b1559a99de9acc1769d244362b48aa523869f140b76eb7
-size 60137136
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/21/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/21/0.mp4
deleted file mode 100644
index 039486c5643ec84fcedd12ff981e283bd63d6230..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/21/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ce9b158f2bf28024419a979c8328fc86925befc3bf7762cf504de80d480225e8
-size 843597
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/21/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/21/1.mp4
deleted file mode 100644
index ed2ef10fa73fe51dd987028d19ac23865d142f3d..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/21/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5df211631c2743624f5a2270fa861f9ee201df806dbf37fde67a6f5dfed70141
-size 59564231
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/22/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/22/0.mp4
deleted file mode 100644
index 5f4d3cf305d0f1e5feb3e4b62014dc0269bb4a1a..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/22/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:bea9d721be3c73f12d968a33cc7c4e29cf67ffd665c516456aca288e7e08b10b
-size 796018
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/22/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/22/1.mp4
deleted file mode 100644
index d6b3e51db4120b121ac48ac5ce47296451b9200e..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/22/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1bf1ab8c6e1ee3b4776534395e1b28123aa858aaf94bfaa972b6ad5280f250f4
-size 55102059
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/23/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/23/0.mp4
deleted file mode 100644
index dee750811c4667596c3105180efe19653f181ba9..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/23/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:8e73c33f7c04061cb67a95eac9b27ccc912961c4b70f7157a622b0311400705b
-size 795581
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/23/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/23/1.mp4
deleted file mode 100644
index 00a2950d494bee7bd83930757e7a6263ffbb6202..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/23/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:22f1be5566dbf0cb7ba809d6f9e7c9c8f357eedf7febfb7a5eef7a1be7661674
-size 56947892
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/24/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/24/0.mp4
deleted file mode 100644
index 07071e9fc09618bc0d66b1c59965ea013fab648a..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/24/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b8779c886304cfd130975dd9cb1cb27e0292a0f6e206b74e12da78612365f827
-size 828686
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/24/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/24/1.mp4
deleted file mode 100644
index 5643245551ec34ef38829e59fae56a881774193c..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/24/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:381321c4251678fde96f26ee1fc1860b8f39c9542f25656f59a4ae9aac3ef228
-size 58198443
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/25/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/25/0.mp4
deleted file mode 100644
index f89b2d44a2151c04f9325d3fee8f7df4c0ff727e..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/25/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:506a24fb655492c857c7eb3656c66cf94672e980d6c3fc0abbe2bc884abcc64a
-size 816275
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/25/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/25/1.mp4
deleted file mode 100644
index a3e7c01a563b16df82e019d248f9f24585eed69e..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/25/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e23a2841960835da61834a5f58394b1ccee633abe56991501d5d5f79e28113d4
-size 57077673
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/26/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/26/0.mp4
deleted file mode 100644
index 6c7a27db83ca3ad94a4eebc107b6187384a88e23..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/26/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:a8c55be0f1c44f527608bbb597f447f153af3c31880794bbb1a91a1dd1961412
-size 852696
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/26/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/26/1.mp4
deleted file mode 100644
index 66e039bad2526b16b47c4ccdb5825f1629d69ad0..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/26/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:177496b876ab4c38d847264215d79248c5071c74c7a0c2acb9edf3630e53542e
-size 58908420
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/27/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/27/0.mp4
deleted file mode 100644
index eaaaf9bac514e414f1e630b6c3926796d396d27d..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/27/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d0949d79c266b67815874b00c2d9c44c4beb8da3f4ffd8e375994ea099e10ff2
-size 834614
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/27/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/27/1.mp4
deleted file mode 100644
index 71c635d39a1fb823d1f74ac22fb982fec6eb98fa..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/27/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:fce6d38a4b52101d9d2351d8059647068bcc26874ce6c333e206247a1983bc5a
-size 58422190
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/28/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/28/0.mp4
deleted file mode 100644
index ef1b4466b6d565923d5b1caa1461f9da20d75d7a..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/28/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f270716cfd6caa9d6553d069bebda6a2bbd5b7384f7772f512e689f8a8f1e496
-size 815814
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/28/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/28/1.mp4
deleted file mode 100644
index bdcae12e2a215ca980759e972be33c80e9fc9355..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/28/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:465783fab208a7c359285705ba3dc3c617d27205f3e080c14fee1747bb2be93c
-size 56876327
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/29/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/29/0.mp4
deleted file mode 100644
index fd2b0dbc68e62a3171b8c18c474839f188314ebb..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/29/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b76106e39b0bf537d81eff8360c00b07cfa2897ebc90e117c0cf2020e7c2cc80
-size 800061
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/29/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/29/1.mp4
deleted file mode 100644
index 46d52cff5b05da1ac8938d32368b9c28e0a2590c..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/29/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:cc0489a7122e323745063752a1350e6136a786180f004482d8b1366f6b5fb12c
-size 56442395
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/30/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/30/0.mp4
deleted file mode 100644
index 948ba727e270c00776c98b328fa2c769f9cf7c1b..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/30/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:2f3cc3144dc3b27982ab66c42efd074c80101a0e522528503c92ce8fa5cba59b
-size 877802
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/30/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/30/1.mp4
deleted file mode 100644
index 2b5f31dbc52a51adf000cbc6169759e34d51ddc4..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/30/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:152a1653da49b9cdebf83bf61241d87e602e976b4dc18399275c380582445818
-size 60860195
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/31/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/31/0.mp4
deleted file mode 100644
index 336e1d1f96c00a835d872a29205988aee5a796ba..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/31/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:57b67d8680b0cd8b0aeb1b6c356053f15393f433dafb06ba4b155aed36137e10
-size 835416
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/31/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/31/1.mp4
deleted file mode 100644
index 1db35cafcb891252e097145ee863d22ba470e3c0..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/31/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1cf53c555c7765e98afc69bdbc04f30dd9742fe7ba911439213d2cf5236dbf9c
-size 59729131
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/32/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/32/0.mp4
deleted file mode 100644
index 37789f69a35872b19a852a1b58ac4eb72e281e0f..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/32/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:5df08e3b6a3331d759d047c1768efc526dd8b0d05815daeaea3ad7241b358b18
-size 848741
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/32/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/32/1.mp4
deleted file mode 100644
index e09bc7de2d39e2749f3ba4f8ccca868f1100ad79..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/32/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:c2261c86e3eb35fecea3591131ebd0201895a6e095d37756db3f374b763b6fdc
-size 57383563
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/33/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/33/0.mp4
deleted file mode 100644
index 31b7d9011aef38a237308b8c5b955178d975bd1c..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/33/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:e255d577c5aa6184b52d3ff585f7a419bea594f3459bd3df6ad84ef672b5f265
-size 826309
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/33/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/33/1.mp4
deleted file mode 100644
index dba6cf970de78d60f90bb798344af84d4bfb22c1..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/33/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:3ae04f7bd49a4610c88ecdea29726f7f4926a8e27df0bb21da4d3ff1eee1eee8
-size 58490756
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/34/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/34/0.mp4
deleted file mode 100644
index 484719837c1b550621527ff7ddba1f685a625d8c..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/34/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:4dacaa0011ea07e61317f46cd5166261fa673b0bd0218a532ca96bcfb5ca9567
-size 818505
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/34/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/34/1.mp4
deleted file mode 100644
index cc3d0a668a67d6ed6a6bc8395bb87df4bc014deb..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/34/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:1b47d55d11c1baad633587f7a63deb2c291a928b33adb5e33dc95c5c9b621539
-size 57061355
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/35/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/35/0.mp4
deleted file mode 100644
index e24e8f0afcfbf6e9ce6387739f148ff658f98d83..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/35/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:f154ef64ef96ee6f8a520a40af310b8d13ce95eda785f94b747508499ad26633
-size 890140
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/35/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/35/1.mp4
deleted file mode 100644
index 146cb22068b6c33ab6654772de0eaa569181ff20..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/35/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:78a5d086bf521ee3b3e7352903661fafa033fb39fae87630c145e66694bf7bf7
-size 62851689
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/36/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/36/0.mp4
deleted file mode 100644
index b4376f379bb70e5e1e7c0fdd0d35d21b82407b5c..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/36/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:6dbef7df945cec249cabf8100a7d3eb6c6d8492ad7dcd87f8abd8403d13dd4bb
-size 820570
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/36/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/36/1.mp4
deleted file mode 100644
index 3dbe51e88b7f6c5f4dbdff50ce7750e5f48efac0..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/36/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:0af6c3423384e35af55a880ebe312feecb2717095ce462997baa2214a38cbce0
-size 58494768
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/37/0.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/37/0.mp4
deleted file mode 100644
index 8f785dedb537951b137729fab974d159d3ae451b..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/37/0.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d3353d6fef5fd7072f7b717d2e8befc3570615bd2ea084d26176682e8b229841
-size 832306
diff --git a/1027_sim_demo/ringpeg_dart_v1/videos/37/1.mp4 b/1027_sim_demo/ringpeg_dart_v1/videos/37/1.mp4
deleted file mode 100644
index c0280ebc6222178e5cf8498e719eaf7e77dc97fe..0000000000000000000000000000000000000000
--- a/1027_sim_demo/ringpeg_dart_v1/videos/37/1.mp4
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:b49971c258f9f79eba39126665b14d5f6a56c2de2cbcbced17df0f1a09a37398
-size 57809847