C31232233133313221211113313331333132313331322121111133313113311233331   >>    C3123223313331322121111331333133313231333132212111113331311331123333   <<    C31232233133313221211113313331333132313331322121111133313113311233333   >>      C31232233133313221211113313331333132313331322121111133313113311233332   >>