C1333231331121111331333133313331333132313223313231333133112212331   >>    C133323133112111133133313331333133313231322331323133313311221233   <<    C1333231331121111331333133313331333132313223313231333133112212333   >>      C1333231331121111331333133313331333132313223313231333133112212332   >>