C13223313311212111133133313331333132322132313221333132313332321   >>    C1322331331121211113313331333133313232213231322133313231333232   <<    C13223313311212111133133313331333132322132313221333132313332323   >>      C13223313311212111133133313331333132322132313221333132313332322   >>