规则Rules:
填入1~6,使得每行、列、宫内数字不重复,宫可能是锯齿状的。
Fill the grid with 1~6, make numbers no repeated in each Row, Column and Box. The Box may be irregular.
作者:邱言哲(Li2CO3)
◆例题 Example
◆在线涂鸦 Draw it Online
◆在线做 Do it by CTC
◆在线做 Do it by Penpa