C111112111133131121133133313331333133313331323133313331323133313331313223313131   >>    C11111211113313112113313331333133313331333132313331333132313331333131322331313   <<    C111112111133131121133133313331333133313331323133313331323133313331313223313133   >>      C111112111133131121133133313331333133313331323133313331323133313331313223313132   >>