C31232233133313221211113313331333133313331212111133231333132213111   >>    C3123223313331322121111331333133313331333121211113323133313221311   <<    C31232233133313221211113313331333133313331212111133231333132213113   >>      C31232233133313221211113313331333133313331212111133231333132213112   >>