The gray code is reflected binary, the first eight values compare with those of the last 8 values after we remove msb, but in reverse order She married the first one, ptolemy xiii, in 47 bc and when he lost his life in the war, she married her second brother, ptolemy xiv, in that same year. 0000 0001 0011 0010 0110 0111 0101 0100 1100.
If you mean xiii then it is the equivalent of 13 Cleopatra only married her two brothers
