C111112111133131121133133313331323133313221211111333133313331333131122233131   >>    C11111211113313112113313331333132313331322121111133313331333133313112223313   <<    C111112111133131121133133313331323133313221211111333133313331333131122233133   >>      C111112111133131121133133313331323133313221211111333133313331333131122233132   >>