Mimo“…for big rows, count the × instead…”
- hunt only this ×
- four ghosts here = just one ×
The flip works on lines too. The framed row hides four ghosts in five cells — flipped, that is just one ×, the yellow cell. For big-number lines, hunting the × is far faster. Using one trick in new places is what mathematicians call generalization.
In the app, one new tip arrives for each day you play.
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