规则Rules：
标准数独基础上，相同颜色的圆圈格内，圆圈越大，数字越大；相同大小的圆圈里，不同颜色的格子必须是不同的数字。
Classic rules applied. Additionally, in circle cells with same color, larger circle contains larger numbers. Circle cells with same size and different colors should contain different numbers.
作者Author：行连
