

#base-13 implementation as in https://github.com/aspuru-guzik-group/group-selfies/blob/main/group_selfies/constants.py
DEFAULT_GROUPSELFIES_INDEX_ALPHABET =  (
    "[C]", "[Ring1]", "[Ring2]", "[Branch]", "[=Branch]", "[#Branch]","[O]", "[N]", "[=N]", "[=C]", "[#C]", "[S]", "[P]")

#base-16 implementation as reported in https://iopscience.iop.org/article/10.1088/2632-2153/aba947/pdf
DEFAULT_SELFIES_INDEX_ALPHABET = (
    "[C]", "[Ring1]", "[Ring2]","[Branch1]", "[=Branch1]", "[#Branch1]","[Branch2]", "[=Branch2]", "[#Branch2]","[O]", "[N]", "[=N]", "[=C]", "[#C]", "[S]", "[P]")

DEFAULT_NUM_SELFIES_INDEX_ALPHABET = (
    "[0]","[1]","[2]","[3]","[4]","[5]","[6]","[7]","[8]","[9]","[a]","[b]","[c]","[d]","[e]","[f]")

INT_ALPHABET = "0123456789abcdefghijklmnopqrstuv"
