C132233133112121111331333133313231333133313231311331312313223311   >>    C13223313311212111133133313331323133313331323131133131231322331   <<    C132233133112121111331333133313231333133313231311331312313223313   >>      C132233133112121111331333133313231333133313231311331312313223312   >>