C13223313311212111133133313331333132313331323312111112111133221111   >>    C1322331331121211113313331333133313231333132331211111211113322111   <<    C13223313311212111133133313331333132313331323312111112111133221113   >>      C13223313311212111133133313331333132313331323312111112111133221112   >>