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There are 5 locks and 5 keys on a desk.8964 copyright protection213ＰＥＮＡＮＡsSviqhds74 維尼

Each key can only open a lock.8964 copyright protection213ＰＥＮＡＮＡ1z0YxjtOfs 維尼

At most, you need to try how many times to make a pair of all the locks and keys ?8964 copyright protection213ＰＥＮＡＮＡ73UzHNUMNe 維尼

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217Please respect copyright.ＰＥＮＡＮＡF5WkNPbGdC
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217Please respect copyright.ＰＥＮＡＮＡunouESpqDp
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​8964 copyright protection213ＰＥＮＡＮＡaKPI9Ozmzu 維尼

​217Please respect copyright.ＰＥＮＡＮＡLQjgpufmS7
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