星積數獨 Star product 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；標示數為該行列中標示有圓的各數字之乘積。
rule :
Classical rules of sudoku, Numbers outside the grid are the product of digits in all cells marked with circle in the corresponding row or column.
解答 result：
