[sevencolors]

The solution: https://www.i-programmer.info/images/stories/News/2014/Dec/B...

Aren't crosswords supposed to spell out a word? This feels like random characters. Unless i'm supposed to rotate it or something?

[mypalmike]

Think sudoku rather than crossword.

[schoen]

There is an answer extraction, though, because it's a Mystery Hunt puzzle (where all puzzles extract a word or phrase as an answer at the end). It's just that the individual diagonals in the grid as a whole are not themselves words.

[mypalmike]

Oh wow I didn't realize there was a phrase embedded in there. Amazing.