C13223313311212111133133313331333133313232233133313221122332311   >>    C1322331331121211113313331333133313331323223313331322112233231   <<    C13223313311212111133133313331333133313232233133313221122332313   >>      C13223313311212111133133313331333133313232233133313221122332312   >>