C3123223313331322121111331333133313331331121123121111331311331322333221   >>    C312322331333132212111133133313331333133112112312111133131133132233322   <<    C3123223313331322121111331333133313331331121123121111331311331322333223   >>      C3123223313331322121111331333133313331331121123121111331311331322333222   >>