C13223313311212111133133313331333132313231323331333133313222132123231   >>    C1322331331121211113313331333133313231323132333133313331322213212323   <<    C13223313311212111133133313331333132313231323331333133313222132123233   >>      C13223313311212111133133313331333132313231323331333133313222132123232   >>