规则Rules：
标准数独基础上，提示表示其周围两个一位数或多位数的比值。多位数的阅读方式是从左到右。
Classic rules applied. Additionally, the clue is the ratio of the numbers or the multi-digit numbers around it. The multi-digit number should be read from left to right.
◆在线做Do it by CTC
◆在线做Do it by Penpa
