d6.py

bank = [5,1,10,0,1,7,13,14,3,12,8,10,7,12,0,6]

seenCombos = []
seen = False
cycles = 0

while not seen:
    seenCombos.append(bank.copy())
    maxindex = bank.index(max(bank))
    b = bank[maxindex]
    bank[maxindex] = 0

    while b > 0:
        maxindex = (maxindex + 1) % len(bank)
        bank[maxindex] += 1
        b -= 1
    cycles += 1

    if bank in seenCombos:
        print(len(seenCombos)-seenCombos.index(bank))
        break
print(cycles)