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.
Make one big string out of two smaller strings
Get the length of a given vector
03 - Matrix Variables 2
Flip the vector from right to left
Word Distance - Sum
Lights Out 7 - 5x5, x moves
Power Times (of the day)
Lights Out 9 - 5x5, light-only solution? II
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