N和數獨 N-Sums 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；標示數為該行列前N個數字的和且第N個數字就是N。
rule :
Classical rules of sudoku, Clues outside the grid indicate the sum of the first N digits seen in that row or column from that side. The digit N is always indicated by the Nth digit seen from that side. In other words, it is always the last digit in the summed set of digits.
解答 result：
鋸齒N和數獨 Irregular N-Sums Sudoku
規則：
在空格中填入1∼9，使得每一行、列、不規則宮中的數字都沒有重複外；標示數為該行列前N個數字的和且第N個數字就是N。
rule :
Irregular rules of sudoku, Clues outside the grid indicate the sum of the first N digits seen in that row or column from that side. The digit N is always indicated by the Nth digit seen from that side. In other words, it is always the last digit in the summed set of digits.
解答 result：