Strategy · step 4 of 6

The row & column squeeze

A row down to two or three squares side by side has its cat pinned to a tiny stretch — and everything hugging that stretch from the neighboring rows is a cross.

Row 3 is down to two side-by-side squares. Whichever one takes the row’s cat, all four highlighted squares would be touching it — so all four are crosses right now.

Every row and every column gets exactly one cat. So when crosses whittle a row down to its last few squares, you know something powerful even before the cat lands: it lives somewhere in that little stretch. Any square that touches every surviving square of the stretch is going to end up next to that cat no matter how things play out — and cats can never touch, not even diagonally.

In the example, row 3’s cat is one of the two center squares. Each highlighted square in rows 2 and 4 touches both of them at once, so each one is doomed either way. Notice the colors never entered the argument — this is pure row-and-column geometry.

Three squares in a run

Row 3 has three squares left in a run. Only the squares directly above and below the center one touch all three — both are crosses.

With three survivors the pinch narrows: a square has to touch all three to be doomed, and only the center squares of the neighboring rows manage it. Two crosses — and often exactly the two that break a stalled board open.

Gaps are fine

The survivors sit two apart with a crossed-out square between them — but the squares above and below the gap touch both of them, and die just the same.

Do not wait for the survivors to be adjacent. The only thing that matters is whether some square touches every one of them; a dead square in the middle of the stretch changes nothing about that check.

Everything transposes: a column down to a short stretch kills the hugging squares in the neighboring columns. Make the scan a habit whenever a line drops to two or three survivors — it is the same five-second check as the color squeeze, but on lines instead of regions, and it tends to appear first.

When MeowSolver shows a “row squeeze” or “column squeeze” hint, it highlights the line’s surviving squares and the crosses they force — everything you need to verify the pinch yourself.

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