C111123313121111121111331333133313331333133313331333133313232233131131   >>    C11112331312111112111133133313331333133313331333133313331323223313113   <<    C111123313121111121111331333133313331333133313331333133313232233131133   >>      C111123313121111121111331333133313331333133313331333133313232233131132   >>