C31232233133313221211113313331333133313331212111133132213331313133311   >>    C3123223313331322121111331333133313331333121211113313221333131313331   <<    C31232233133313221211113313331333133313331212111133132213331313133313   >>      C31232233133313221211113313331333133313331212111133132213331313133312   >>