C31232233133313221211113313331333133313331212111111331322223231   >>    C3123223313331322121111331333133313331333121211111133132222323   <<    C31232233133313221211113313331333133313331212111111331322223233   >>      C31232233133313221211113313331333133313331212111111331322223232   >>