C111112111133131121133133313331323133313221323331333133312111211   >>    C11111211113313112113313331333132313331322132333133313331211121   <<    C111112111133131121133133313331323133313221323331333133312111213   >>      C111112111133131121133133313331323133313221323331333133312111212   >>