v2/basicenglish/61/checksum.json

{
  "1": "3ac0426390035507f29214eca7d9288737cc82e8",
  "2": "4595d8493bdddb16ba9e16f5b5ee3330b321785e",
  "3": "ca84ab5731523bfcb955d25af91d1c0f6f65381f"
}