Hi, Lucy , good to hear, and as Mike says you can make it reverse, the code I supplied is a very crude and there are other more efficient sketches to do the job.
Stroeda, I had a close look at the pictures and it looks like the IC is in the wrong way around, the notch in the end of the IC should match the notch in the screen overlay on the PCB.
The correct way is with the notch towards the closest edge of the PCB.
Tom........ 