游戏的规则是：“如果某张卡片上的数字是偶数，那么另外一边便是红色。”
The rule to be tested is: “If a card shows an even number on one side, then it is red on the other.
游戏检验的规则是：“如果一张卡片展示的是偶数，那么另一张卡片就显示红色。”
The rule to be tested is: “If a card shows an even number on one side, then it is red on the other.”
遵循标准数独规则，每个胶囊里面有一个奇数和一个偶数。
Apply classic Sudoku rules. Each capsule contains one odd number and one even number.
遵循标准数独规则，每个胶囊里面有一个奇数和一个偶数。
Apply classic Sudoku rules. Each capsule contains one odd number and one even number.
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