Step 1: IMMERSION. Read, research, and learn everything you can about the Problem.
Step 2: IDEATION. Look at the problem from every angle; develop ideas; generate as many alternatives as possible.
Step 3: BRAINFOG. You may hit a blank wall and want to gave up.
Step 4:INCUBATION. Try to put your conscious mind to rest to let your subconscious take over.
Step 5: ILLUMINATION. There is that unexpected moment when the idea comes, often when your mind is relaxed and you're doing something else.
Step 6: EVALUATION. Dose it work? Is it on Strategy?