C111112111133131121133133313331333133313331323133313331333133312111111332232311   >>    C11111211113313112113313331333133313331333132313331333133313331211111133223231   <<    C111112111133131121133133313331333133313331323133313331333133312111111332232313   >>      C111112111133131121133133313331333133313331323133313331333133312111111332232312   >>