Rats have got into the grain store lately, gnawing through several sacks in a single night, and something larger has been digging near the outer wall. This grain is the whole street's food for the winter. The requester needs 1 Extra Large Rat Cage, 3 Iron Animal Traps and 4 Simple Mousetraps.
The request event: 
Request: Storeroom Rat Control
From the game files2
RewardSet 68272
| ID | 68272 |
|---|
| Source | Commission_31_Def（代码读取：ItemCost=要交 ItemChange=回礼；不挂事件） |
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| ItemChange | [20906,27010] |
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| ItemCost | [14093,25004,25004,25004,25001,25001,25001,25001] |
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RewardSet 68284
| ID | 68284 |
|---|
| Source | Commission_31_Reward |
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| AddTag | ["TAG_STRANGER_COMMISSION_DONE_31"] |
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Extra Large Rat Cage Package
Iron Animal Trap×3
Simple Mousetrap×4
Wallpaper: Riveted Sheet Metal
High-Speed Wheel Set