统计分析，储存每个您所玩过的数独，您可以知道最佳的纪录，任何时候您也可以选择重新挑战玩过的数独。

Statistic, it saves every finished puzzles automatically, that allows you to keep tracking your best played records for each level, you can restart it whenever you want to re-challenge it.

youdao

统计分析，储存每个您所玩过的数独，您可以知道最佳的纪录，任何时候您也可以选择重新挑战玩过的数独。

Statistic, it saves every finished puzzles automatically, that allows you to keep tracking your best played records for each level, you can restart it whenever you want to re-challenge it.

youdao