規則:在空格中填入1∼9,使得每一行、列、宮中的數字都沒有重複外;標示的數字需填入標示處周圍的空格中。
rule : Apply classic sudoku rules. At some intersections of two crossing grid lines, a set of four digits is given. These digits must be placed in the four adjacent cells.
解答 result:
範例 example 2:
解答 result: