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这位消防员是个新手,他拿起消防水龙头,却不知道尾在那里。请你帮他找找好吗?还有图上左右角两条水龙头的尾,也请你指出在哪里?
The fireman was a novice, he picked up the faucet, but did not know where the tail was. Please help him to find it? There are two taps at the left and right corners of the map, please indicate where?