C111112111133131121133133313331333133313331323133313331333133313133313112112131   >>    C11111211113313112113313331333133313331333132313331333133313331313331311211213   <<    C111112111133131121133133313331333133313331323133313331333133313133313112112133   >>      C111112111133131121133133313331333133313331323133313331333133313133313112112132   >>