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.
Summing Digits within Text
Back to basics 15 - Benchmark
Back to basics 22 - Rotate a matrix
matrix of natural number
Area of an equilateral triangle
Approximation of Pi (vector inputs)
Mersenne Primes vs. All Primes
Lights Out 12 - 5x5, three stages, <7 moves
Lights Out 11 - 5x5, with wrapping, x moves
Divisible by 15
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