Too bad this problem number has a '5' in it! :-)
Ha Ha! six is the new 5!
Any suggestions on my brute force method?
sorry, I added a couple of test cases to discourage this sort of solutions
Create a square matrix of multiples
Rotate a Matrix by 90 degrees
Find last zero for each column
Convert given decimal number to binary number.
singularity 2.0 (really hard)
Hackathon: the beginnings
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