规则Rules:
标准数独基础上,提示表示从该方向看过去的16个不同的4位数字排列的顺序,1最小16最大。
Classic rules applied. Additionally, the clue represent the order of 16 different 4-digit numbers, 1 is the smallest and 16 is the largest.
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa