C31232233133313221211113313331333133313331212111133132322122211   >>    C3123223313331322121111331333133313331333121211113313232212221   <<    C31232233133313221211113313331333133313331212111133132322122213   >>      C31232233133313221211113313331333133313331212111133132322122212   >>