Renumber episodes so they are contiguous by task_index (0-70, 71-92, 93-112, 113-162)

Add 100 trimmed episodes (63-162) from sotac_raw 77-176, collected by Jingming Zhang

Update README.md

annotations: episode 50 (18 atoms)

annotations: episode 62 (15 atoms)

annotations: episode 61 (14 atoms)

annotations: episode 60 (16 atoms)

annotations: episode 59 (15 atoms)

annotations: episode 58 (13 atoms)

annotations: episode 57 (15 atoms)

annotations: episode 56 (23 atoms)

annotations: episode 55 (15 atoms)

annotations: episode 54 (14 atoms)

annotations: episode 53 (17 atoms)

annotations: episode 52 (14 atoms)

annotations: episode 51 (19 atoms)

annotations: episode 49 (22 atoms)

annotations: episode 48 (15 atoms)

annotations: episode 47 (16 atoms)

annotations: episode 46 (14 atoms)

annotations: episode 45 (10 atoms)

annotations: episode 45 (10 atoms)

annotations: episode 44 (13 atoms)

annotations: episode 43 (16 atoms)

annotations: episode 42 (13 atoms)

annotations: episode 41 (14 atoms)

annotations: episode 40 (19 atoms)

annotations: episode 39 (13 atoms)

annotations: episode 38 (12 atoms)

annotations: episode 37 (18 atoms)

annotations: episode 36 (10 atoms)

annotations: episode 35 (26 atoms)

annotations: episode 34 (16 atoms)

annotations: episode 33 (16 atoms)

annotations: episode 32 (21 atoms)

annotations: episode 31 (25 atoms)

annotations: episode 30 (23 atoms)

annotations: episode 29 (15 atoms)

annotations: episode 28 (15 atoms)

annotations: episode 27 (16 atoms)

annotations: episode 26 (13 atoms)

annotations: episode 25 (24 atoms)

annotations: episode 24 (16 atoms)

annotations: episode 23 (21 atoms)

annotations: episode 22 (21 atoms)

annotations: episode 21 (19 atoms)

annotations: episode 20 (18 atoms)

annotations: episode 19 (16 atoms)

annotations: episode 18 (14 atoms)

annotations: episode 17 (20 atoms)