C111123313121111121111331333133313331323132333132322331313312111   >>    C11112331312111112111133133313331333132313233313232233131331211   <<    C111123313121111121111331333133313331323132333132322331313312113   >>      C111123313121111121111331333133313331323132333132322331313312112   >>