因数 Factor
标准数独基础上,提示是其区域中多位数的因数。所有多位数都是从左到右、从上到下阅读形成的。
Classic rules applied. Additionally, the clue is the factor of the multidigit number in that region. All the multidigit numbers are read from left to right, up to down.
赛事频率 极低
基本没有。