private:
  answers.csv: cfe891cbe7e6b58e77919acb517125ea
public:
  sample_submission.csv: fc2941d5d4aedafb25332b57342688bf
  train.csv: 0c4ca06e59e35f1e00f55aa79a5dadc5
zip: c1b568a240bbf0c039b2d5c3fb84a4d5
