C3123223313331322121111331333133313331331121123121111331311331323133313231111   >>    C312322331333132212111133133313331333133112112312111133131133132313331323111   <<    C3123223313331322121111331333133313331331121123121111331311331323133313231113   >>      C3123223313331322121111331333133313331331121123121111331311331323133313231112   >>