C132233133112121111331333133313231333133313231311331311331333223311   >>    C13223313311212111133133313331323133313331323131133131133133322331   <<    C132233133112121111331333133313231333133313231311331311331333223313   >>      C132233133112121111331333133313231333133313231311331311331333223312   >>