C111123313121111121111331333133313331333132232233131211111331123223313112111   >>    C11112331312111112111133133313331333133313223223313121111133112322331311211   <<    C111123313121111121111331333133313331333132232233131211111331123223313112113   >>      C111123313121111121111331333133313331333132232233131211111331123223313112112   >>