C13223313311212111133133313331333132313331323312111112111112121   >>    C1322331331121211113313331333133313231333132331211111211111212   <<    C13223313311212111133133313331333132313331323312111112111112123   >>      C13223313311212111133133313331333132313331323312111112111112122   >>