C111112111133131121133133313331333131131211113313331333133313232213111   >>    C11111211113313112113313331333133313113121111331333133313331323221311   <<    C111112111133131121133133313331333131131211113313331333133313232213113   >>      C111112111133131121133133313331333131131211113313331333133313232213112   >>