C111123313121111121111331333133313331333132232233131211111333131322331333211   >>    C11112331312111112111133133313331333133313223223313121111133313132233133321   <<    C111123313121111121111331333133313331333132232233131211111333131322331333213   >>      C111123313121111121111331333133313331333132232233131211111333131322331333212   >>