C31232233133313221211113313331333133313331212111133132233132222231   >>    C3123223313331322121111331333133313331333121211113313223313222223   <<    C31232233133313221211113313331333133313331212111133132233132222233   >>      C31232233133313221211113313331333133313331212111133132233132222232   >>