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Story: Empty spaces with three neighbours create a cell
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I want empty cells with three neighbours to die
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So that I have a minimum feature set to ship
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Given the grid looks like
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When the next step occurs
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Then the grid should look like
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When the next step occurs
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Then the grid should look like
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When the next step occurs
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Then the grid should look like
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When the next step occurs
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Then the grid should look like