C132233133112121111331333133313331323331333133313231311331121122313231   >>    C13223313311212111133133313331333132333133313331323131133112112231323   <<    C132233133112121111331333133313331323331333133313231311331121122313233   >>      C132233133112121111331333133313331323331333133313231311331121122313232   >>