C111123313121111121111331333133313331333132232233131211111133132321123221   >>    C11112331312111112111133133313331333133313223223313121111113313232112322   <<    C111123313121111121111331333133313331333132232233131211111133132321123223   >>      C111123313121111121111331333133313331333132232233131211111133132321123222   >>