Twigs

Sample 9x9

Place 2 pigs in every row, column and pen. Pigs may not touch, not even diagonally.

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Click a square to cross it out (no pig there), or press and drag to cross out several. Double-click to place a pig. Once every pig is placed, your answer is checked automatically. The timer pauses whenever you leave the page; press Continue to carry on. Your progress and time are saved in this browser.