C1333231331121111331333133313331333132333211331333133313232221212121   >>    C133323133112111133133313331333133313233321133133313331323222121212   <<    C1333231331121111331333133313331333132333211331333133313232221212123   >>      C1333231331121111331333133313331333132333211331333133313232221212122   >>