规则Rules：
标准数独基础上，白点周围数字顺时针增大，黑点周围数字逆时针增大。所有符合条件的地方都被点标记。
Classic rules applied. Additionally, numbers around a white dot increases clockwise, while the number around the black dot increases counterclockwise. All possible places are marked with dots.
作者Author：木心
