Problem with arduino Duemilanove!! HELPPP

1 anode Red
2 anodes Blue
1 anode Green
2 common cathodes

Here you can find the technical sheet of what i ordered..

That is not the problem i think because i tried connecting all blues and run the code consisting of the two blues perfectly but green still dint light up.
I even tried to reduce LEDS to only two and maximise the current in case green lighted up but not brightly enough to see it but unsurprisingly it didnt work either..
And i connected the green resistor to the ground on the open edge like i did to all the rest as you recommended but still..