C3123223313331322121111331333133313331331121123121111331311331133132212111   >>    C312322331333132212111133133313331333133112112312111133131133113313221211   <<    C3123223313331322121111331333133313331331121123121111331311331133132212113   >>      C3123223313331322121111331333133313331331121123121111331311331133132212112   >>