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Comment by bthornbury | Hacker News Reader

I have to agree with (a) here. Upon reaching the end of a 6x6, as far as I could tell no rules were broken, yet the solution was not valid.

I'm wondering if multiple solutions can exist and the game will only accept one.

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Same here. Can't see what i'm doing wrong. Nice to have the rules on the side or a button to press to show them.

Yeah everything in this 10x10 seems right and I have looked over every single row and column to confirm that I haven't broken any rules but it still tells me that 8 random tiles are incorrect.

You should take a screenshot. See if anyone else can find something you might have missed, or can confirm that you found a winning solution.

here is a 4x4 that naively seems like it should be a legal solution, but isnt:

same number of 0s as 1s per row same number of 0s as 1s per col no rows or cols with run of 3 of same value

edit: oh - "no two rows are the same". fail. disregard this. must have clicked past that in the tutorial.

That's the point of having a clear set of rules somewhere because most people skipped that part of the tutorial. (I did too) I had to be stuck somewhere, quit the game and redo the tutorial very slowly just to see if there's a rule I didn't see ;)

Another way to find the rules is to use the "eye" on every turn in a 6x6 or 10x10.

Same here. It took me a while to notice that there were two identical vertical rows.

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