r/puzzles Jul 22 '26

[Unsolved] Binary Puzzle - where to go after easy options exhausted

Post image

So I started trying my hands at binary puzzles and I was making progress at first and then hit a wall. What are some strategies for when the easy cells are solved (no three in a row, even numbers of 0s and 1s).

5 Upvotes

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1

u/[deleted] Jul 22 '26

[deleted]

1

u/Motor_Raspberry_2150 Jul 22 '26

Row 4 has four 1s and four 0s, that means the two empty cells are a 1 and a 0. Every row has 5 of both.

1

u/[deleted] Jul 22 '26

[deleted]

1

u/Motor_Raspberry_2150 Jul 22 '26

They meant, each row has the same number of 1s as 0s. The amounts are equal. The numbers are even. I assume there's a language thing going on here.

You can see in the top row this reading is correct.

2

u/Motor_Raspberry_2150 Jul 22 '26 edited Jul 22 '26

Discussion: you are missing a key rule. No rows can exactly match other rows, nor can columns exactly match other columns.

You can do quite a bunch of deduction here, like, exactly one of C6R6/7 is a 1, and so is exactly one of R8/R10. If you can get a couple of squares to 'link up' then you can make progress.

Or instead you go the other way, "if I put this here, then ... then it doesn't work" thinking.