Python 3, cracks Sisyphus' answer
print(dⅳmod(99,15)) TheInserts ivdⅳmod where the ⅳ is U+2173 (Small Roman Numeral Four), a one-character multibyte ligature that normalizes to iv, letting us squeeze the built-in into 5 characters. I learned of this ligature trick for Python 3 in doing this crack.