{
    "<pad>": 0,
    "<unk>": 1,
    "<s>": 2,
    "</s>": 3,
    "r0": 4,
    "r4": 5,
    "r1": 6,
    "r8": 7,
    "r2": 8,
    "r6": 9,
    "r7": 10,
    "r9": 11,
    "ra": 12,
    "r3": 13,
    "r5": 14,
    "rc": 15,
    "rf": 16,
    "re": 17,
    "rb": 18,
    "rd": 19,
    "<pad20>": 20,
    "<pad21>": 21,
    "<pad22>": 22,
    "<pad23>": 23
}