C3123121111113313121111331333132313331311331322313331333133313311221212231   >>    C312312111111331312111133133313231333131133132231333133313331331122121223   <<    C3123121111113313121111331333132313331311331322313331333133313311221212233   >>      C3123121111113313121111331333132313331311331322313331333133313311221212232   >>