Bliss o' still

Traditional Coin game. Throw three coins with 1 or 2 or 3 on the head-side and a picture on the tail-side. If you go over 12 in total then you score zero points. If you have exactly 12 you get one throw for free. So the maximum you can have is 18. The game lasts 6 rounds, where the number of the round is a multiplicator for the points.