《三国志·魏书·乌丸鲜卑东夷传》
速附丸、楼班、乌延等逃奔辽东，辽东把他们杀死，把脑袋送来。
速附丸、楼班、乌延等走辽东，辽东悉斩，传送其首。
Sumo, Louban, and Wu delay fled Liao, but were killed there, their heads sent to Cao Cao.
<s>[INST] Kindly elucidate the central themes in this passage in English: 速附丸、楼班、乌延等走辽东，辽东悉斩，传送其首。 [/INST] Sumo, Louban, and Wu delay fled Liao, but were killed there, their heads sent to Cao Cao.</s>
Kindly elucidate the central themes in this passage in English: 速附丸、楼班、乌延等走辽东，辽东悉斩，传送其首。
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Sumo, Louban, and Wu delay fled Liao, but were killed there, their heads sent to Cao Cao.
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