C31232233133313221211113313331333132313331322121111331313132331   >>    C3123223313331322121111331333133313231333132212111133131313233   <<    C31232233133313221211113313331333132313331322121111331313132333   >>      C31232233133313221211113313331333132313331322121111331313132332   >>