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There are 5 locks and 5 keys on a desk.8964 copyright protection267ＰＥＮＡＮＡImH2wQ54mo 維尼

Each key can only open a lock.8964 copyright protection267ＰＥＮＡＮＡ3mtk8lk8GP 維尼

At most, you need to try how many times to make a pair of all the locks and keys ?8964 copyright protection267ＰＥＮＡＮＡZLLrH09j2c 維尼

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271Please respect copyright.ＰＥＮＡＮＡj1okoGg7Ri
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271Please respect copyright.ＰＥＮＡＮＡ3Ci8ZCEmIz
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​271Please respect copyright.ＰＥＮＡＮＡBZvcnsMqFl
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