C13223313311212111133133313331333132313331323312111113311232322331   >>    C1322331331121211113313331333133313231333132331211111331123232233   <<    C13223313311212111133133313331333132313331323312111113311232322333   >>      C13223313311212111133133313331333132313331323312111113311232322332   >>