Your solution is fastest so far.
Good job, Athi.
@Athi, your solution contains many "magic" constant variables that I don't know how you got.
William's solution is much easier to understood, although it is slower than yours.
Thanks li haitao.
Which doors are open?
Sums with Excluded Digits
Counting in Finnish
Distance walked 1D
Basic arrays operations.
Divisible by 9
Dice roll - opposite faces
Pattern Recognition 1 - Known Unit Length
Temperature Conversion Utility (Strings)
Divisible by 7
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