C31232233133313221211113313331333132313331322121111112211232321233231   >>    C3123223313331322121111331333133313231333132212111111221123232123323   <<    C31232233133313221211113313331333132313331322121111112211232321233233   >>      C31232233133313221211113313331333132313331322121111112211232321233232   >>