I finally figure out that you use '+length(list)' to index the second column of the list.
Which doors are open?
Is my wife right?
pressure to dB?
Are all the three given point in the same line?
Poker Series 07: IsTwoPair
Project Euler: Problem 3, Largest prime factor
Project Euler: Problem 2, Sum of even Fibonacci
2048 tile game
Make blocks of color
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