Question

Oliver is a frequent visitor to More!, his favorite restaurant. Since it's introduction, Oliver has ordered the special offer More! For Less' menu every time.


Starter


Melon Balls


Salmon Mousse


Egg Mayonaisse




Main Course


Chicken and Mushroom Pie


Lasagne


Tuna Bake


Cheese and Onion Pie




Desert


Apple Pie


Chocolate Mouse


Ice Cream




He has now ordered from this menu 11 times without ever repeating his combination of choices for the 3 courses.


Note that 'mousse' and 'pie' appear more than once on this menu. In the same meal he doesn't want to choose pie twice or mousse twice.




How many more times can Oliver order from the 'More! For Less' menu before he must have a combination he has already eaten?