Each row contains 0's or "The number for that row".
The row containing 1's should have one 1 on it.
The row with 2's has two 2's, the 3's has three 3's, and so on.
Fill in the numbers so that the bottom totals are all correct.

You can Print out a sheet full of Yakusos, or alternatively Play it in your browser.

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What I Didn't Do

This puzzle can be played in many different grid sizes, but I only used a standard Foldapuz size of 8x8.
Anything "Larger" gets a bit squashed on the tiny page!