C31232233133313221211113313331333132313331322121133131133132331   >>    C3123223313331322121111331333133313231333132212113313113313233   <<    C31232233133313221211113313331333132313331322121133131133132333   >>      C31232233133313221211113313331333132313331322121133131133132332   >>