https://huggingface.co/datasets/junlin-modal/frontier-cs/resolve/main/frontier_cs/problems/113/testdata/3.ans
hf download hf://datasets/junlin-modal/frontier-cs/frontier_cs/problems/113/testdata/3.ans
curl -L -o 3.ans https://huggingface.co/datasets/junlin-modal/frontier-cs/resolve/main/frontier_cs/problems/113/testdata/3.ans
