C31232233133313221211113313331333132313331322121111121111122132332123231   >>    C3123223313331322121111331333133313231333132212111112111112213233212323   <<    C31232233133313221211113313331333132313331322121111121111122132332123233   >>      C31232233133313221211113313331333132313331322121111121111122132332123232   >>