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SCORE: 0

HOW TO PLAY?

Tap any circle (stone) to replace it with one in the next row and one in the next column.
On one field there can be only one stone, so you can't tap a stone which has another one on its right or below.
You earn score for clearing the first diagonal in direction (one field) then for clearing the first two diagonals (1+2 fields), three diagonals (1+2+3 fields) etc.
If you feel like you need a bigger grid, go to JS tab and change the value of N.
Share your highscore in the comments.

GAME: Harder than it seems