C1333231331121111331333133313331333132332313223331211113313232212131   >>    C133323133112111133133313331333133313233231322333121111331323221213   <<    C1333231331121111331333133313331333132332313223331211113313232212133   >>      C1333231331121111331333133313331333132332313223331211113313232212132   >>