C31232233133313221211113313331333133313331212111133133311233133313331213111   >>    C3123223313331322121111331333133313331333121211113313331123313331333121311   <<    C31232233133313221211113313331333133313331212111133133311233133313331213113   >>      C31232233133313221211113313331333133313331212111133133311233133313331213112   >>