规则Rules:
标准数独基础上,涂色格的相邻格内,一定有重复的数字。符合条件的格子被全部标记。
Classic rules applied. Additionally, in each colored cell, the adjacent cells must contain repeated numbers. Cells of this kind are all marked.
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa