C3123121111113313121111331333131211111333131133132233132322212121
>>
C312312111111331312111133133313121111133313113313223313232221212
<<
C3123121111113313121111331333131211111333131133132233132322212123
>>
C3123121111113313121111331333131211111333131133132233132322212122
>>