A maths game, this week.
Try to fill out the grid of numbers so that the sums on the right are all correct.
Each column should contain all numbers 1 to 9, and no alike numbers should be next to each other (horizontally, vertically or diagonally)

You can Print a sheet of them, here, or alternatively, Play it in your browser.

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View on YouTube

What I Didn't Do

The game ended up working well enough, but it needed a couple of iterations to be playable.
Initially I had some of the totals blanked out, too, but that proved to be a little bit too difficult to solve at times.