This is a new variation.
Rules: Place some magnets horizontally or vertically. Only a few borders may be given. Each magnet has one negative and one positive poles. Poles with same polarity cannot be horizontally or vertically adjacent. Numbers given outside equal the number of positive and negative poles. Some magnet halves are already given. Reveal all the magnets with their borders.
Rules: Place some magnets horizontally or vertically. Only a few borders may be given. Each magnet has one negative and one positive poles. Poles with same polarity cannot be horizontally or vertically adjacent. Numbers given outside equal the number of positive and negative poles. Some magnet halves are already given. Reveal all the magnets with their borders.
Three solutions here. R3C7 can be a -.
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