100 Doors of Revenge Level 17 Walkthrough is shown below with screenshots. The answer is explained in detail in the text. Look at the screenshots for more help. If you only want to look at part of the guide and not cheat, just look at part of the solution. This will help you go to 100 Doors of Revenge Level 18.
1. Press the pile of spray cans 3 times to get red, green, and blue.
2. Paint "S" and "W" the colors of the flag on the right, and "A" and "G" the colors of the flag on the left: S = Blue, W = Red, A = Green, G = Blue