Everyone is really helping you, Alex31 - but you need to do at least some of the work yourself, you know. If you continue to demand that everyone gives you all the answers to all your questions, always, then soon you'll receive no answers to any of your questions.
Matthewryankelly had the perfect solution for you. Cut out paper circles and squares with different diameters and do some arranging. If you have pans or dummies in these sizes then get them out and start stacking them up and arranging them to see what works.