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21 cards are labelled: 1,1,1,2,2,2,3,3,3,4,4,4,5,5,5,6,7,8,9,10,11

You pick 5 cards at random, no replacement.

To "win", you need at least 3 DIFFERENT cards < 6.

Example: two 3's counts as one 3; three 4's counts as one 4.

So, as example, 5,2,5,9,5 is not a winning combo...got that?

But 3,1,3,3,5 is a winner...ok?

What's the probability of picking a winning combo?