test 8 is not a symmetric matrix, is it a projector matrix?
Sorry about that one. I've removed that test case. I don't know how long it will take for the re-scoring to propagate, though.
Project Euler: Problem 1, Multiples of 3 and 5
Make one big string out of two smaller strings
Back to basics 15 - classes
Integer or Float?
Find the Oldest Person in a Room
Divisible by n, prime vs. composite divisors
Lights Out 15 - 5x5, broken buttons I
Divisible by 14
Is it really a 5?
Mechanical Advantage of a Gear Train
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