C13223313311212111133133313331333132313331333133313231311332321   >>    C1322331331121211113313331333133313231333133313331323131133232   <<    C13223313311212111133133313331333132313331333133313231311332323   >>      C13223313311212111133133313331333132313331333133313231311332322   >>