https://huggingface.co/datasets/FrontierCS/Frontier-CS/resolve/main/algorithmic/problems/159/testdata/1.ans
hf download hf://datasets/FrontierCS/Frontier-CS/algorithmic/problems/159/testdata/1.ans
curl -L -o 1.ans https://huggingface.co/datasets/FrontierCS/Frontier-CS/resolve/main/algorithmic/problems/159/testdata/1.ans
