LABS
16 提示数独
没有唯一解的数独
Share
只有 16 个提示，没有唯一解——只要不违反规则填满所有格子，任何一种填法都算通关。
唯一可解的最少提示是 17 个，所以 16 提示必然有多解；任何不违规的填法都算通关。游戏界面为日文。
Puzzle meets YouTube
All videos →Videos behind this puzzle and the ideas around it.
Why Sudoku can't go below 17 clues — a 7-million-hour supercomputer proof
The minimum number of clues a uniquely-solvable Sudoku can have is 17 — and proving it took a supercomputer about 7 million hours. The story behind our 16-clue Sudoku, which can never have a unique solution.
