C111123313121111121111331333133313113313232123313331323133112322111   >>    C11112331312111112111133133313331311331323212331333132313311232211   <<    C111123313121111121111331333133313113313232123313331323133112322113   >>      C111123313121111121111331333133313113313232123313331323133112322112   >>