规则Rules:
填入1~6,使得每宫内及每行列(三种方向上)数字不重复。每行列宫可能没有包含所有的数字。
Write 1~6, make numbers no repeated in each Box or each Row (in three directions). Each Region may not contain all of the numbers.
*右侧的版本较难,但是可以通过试误等解法解答。
◆在线涂鸦 Draw it Online
◆在线做 Do it by Penpa(Medium)
◆在线做 Do it by Penpa(Insane)