{
  "01_palm": 0,
  "02_l": 1,
  "03_fist": 2,
  "04_fist_moved": 3,
  "05_thumb": 4,
  "06_index": 5,
  "07_ok": 6,
  "08_palm_moved": 7,
  "09_c": 8,
  "10_down": 9
}