Seeking the voltage of each hole of a computer power plug The picture is of my power plug

Hello, 1, 2, 11 for the orange line 3.3V, 3, 5, 7, 13, 15, 16, 17 for the black line ground, 4, 6, 19, 20 for the power on 5V, 10 for the yellow 12V, 12 for the blue -12V, 18 for the white -5V, the above these are to exclude a separate four pins, that 4 pins look at the color to know how much V.