C31232233133313221211113313331333133313331212111133132213223111   >>    C3123223313331322121111331333133313331333121211113313221322311   <<    C31232233133313221211113313331333133313331212111133132213223113   >>      C31232233133313221211113313331333133313331212111133132213223112   >>