I've learned from this and similar solutions of the use of shiftdim with a negative number. This may well be handy for future programming. Thanks for showing us this feature.
Project Euler: Problem 1, Multiples of 3 and 5
Create an n-by-n null matrix and fill with ones certain positions
Swap two numbers
Is this triangle right-angled?
Great Circle Distance
Clock Hand Angle 1
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
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