C132233133112121111331333133313231333133313231311331333221223323311   >>    C13223313311212111133133313331323133313331323131133133322122332331   <<    C132233133112121111331333133313231333133313231311331333221223323313   >>      C132233133112121111331333133313231333133313231311331333221223323312   >>