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23 | 23 | | 320 | [Generalized Abbreviation](https://github.com/openset/leetcode/tree/master/problems/generalized-abbreviation) 🔒 | [[位运算](https://github.com/openset/leetcode/tree/master/tag/bit-manipulation/README.md)] [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Medium |
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24 | 24 | | 306 | [累加数](https://github.com/openset/leetcode/tree/master/problems/additive-number) | [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Medium |
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25 | 25 | | 294 | [Flip Game II](https://github.com/openset/leetcode/tree/master/problems/flip-game-ii) 🔒 | [[极小化极大](https://github.com/openset/leetcode/tree/master/tag/minimax/README.md)] [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Medium |
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26 | | -| 291 | [Word Pattern II](https://github.com/openset/leetcode/tree/master/problems/word-pattern-ii) 🔒 | [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Hard | |
| 26 | +| 291 | [单词模式 II](https://github.com/openset/leetcode/tree/master/problems/word-pattern-ii) 🔒 | [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Hard | |
27 | 27 | | 267 | [Palindrome Permutation II](https://github.com/openset/leetcode/tree/master/problems/palindrome-permutation-ii) 🔒 | [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Medium |
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28 | 28 | | 254 | [Factor Combinations](https://github.com/openset/leetcode/tree/master/problems/factor-combinations) 🔒 | [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Medium |
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29 | 29 | | 216 | [组合总和 III](https://github.com/openset/leetcode/tree/master/problems/combination-sum-iii) | [[数组](https://github.com/openset/leetcode/tree/master/tag/array/README.md)] [[回溯算法](https://github.com/openset/leetcode/tree/master/tag/backtracking/README.md)] | Medium |
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