It's a puzzle, but it has for its delight a kind of solitary quality, both of the composer and of the solver of the chess problem.
它是一个谜语，却具有某种令人愉快的自我的特性，不论是设题的人还是解题的人都能感知到。
Solver and custom puzzle modes, plus an exclusive game mode: Sudoku x!
求解器和自定义游戏模式，再加上独家游戏模式：游戏X ！
We have yet to find a puzzle that our solver cannot solve!
我们还没有找一个难题我们的解决者不能够解决！
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