邊內和數獨 Inner Frame Sum Sudoku
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;標示數為該行列在本方向的第2、3、4個數字之加和。
rule :
Apply classic sudoku rules. Numbers outside the grid represents sum of 2nd, 3rd and 4th digit in the corresponding direction.
解答 result: