C13223313311212111133133313331333131212111113331333133313221333133313231311311   >>    C1322331331121211113313331333133313121211111333133313331322133313331323131131   <<    C13223313311212111133133313331333131212111113331333133313221333133313231311313   >>      C13223313311212111133133313331333131212111113331333133313221333133313231311312   >>