C111112111133131121133133313331333133313331323133313331323133313331313311321   >>    C11111211113313112113313331333133313331333132313331333132313331333131331132   <<    C111112111133131121133133313331333133313331323133313331323133313331313311323   >>      C111112111133131121133133313331333133313331323133313331323133313331313311322   >>