C13223313311212111133133313331333132313331333133313121111331323133313231311231   >>    C1322331331121211113313331333133313231333133313331312111133132313331323131123   <<    C13223313311212111133133313331333132313331333133313121111331323133313231311233   >>      C13223313311212111133133313331333132313331333133313121111331323133313231311232   >>