C13223313311212111133133313331333132313331333133313331323132232221   >>    C1322331331121211113313331333133313231333133313331333132313223222   <<    C13223313311212111133133313331333132313331333133313331323132232223   >>      C13223313311212111133133313331333132313331333133313331323132232222   >>