def b36_to_bin(b36_string):
 int128 = base36decode(b36_string)
 MAX_INT64 = 18446744073709551615L
 return struct.pack('>QQ', ((int128 >> 64) & MAX_INT64), (int128 & MAX_INT64))

def b36_to_bin ( b36_string ) : int128 = base36decode ( b36_string ) MAX_INT64 = 18446744073709551615 L return struct . pack ( '>QQ' , ( ( int128 >> 64 ) & MAX_INT64 ) , ( int128 & MAX_INT64 ) )
b36_string: a base-36 encoded string returns binary 128 bit unsigned integer .