规则Rules
填入1~9使得每行列宫内数字不重复。提示数列举了其所在单元格中的所有可能性。
Write 1~9 to make numbers no repeated in each Row, Column or Box. The clue shows all the possible candidates in the cell it exists.
◆例题 Example
◆在线做Do it by CTC
◆在线做Do it by Penpa