C31232233133313221211113313331333133313331212111133132322231322221   >>    C3123223313331322121111331333133313331333121211113313232223132222   <<    C31232233133313221211113313331333133313331212111133132322231322223   >>      C31232233133313221211113313331333133313331212111133132322231322222   >>