C13223313311212111133133313331333132313331323312111112113313123232231   >>    C1322331331121211113313331333133313231333132331211111211331312323223   <<    C13223313311212111133133313331333132313331323312111112113313123232233   >>      C13223313311212111133133313331333132313331323312111112113313123232232   >>