Sentence:  I'd decrypted his puzzle easily enough. He'd left it in Zykovski six-gen, a function he knew I could deconstruct, and the pages of slipbeacon data that unfolded had led me here: an abandoned energy plant on another mined-out rock somewhere in the cold <WSD>backstretches</WSD> of Imperial space. 
Meaning of the word marked with <WSD> tags:  The middle part of an event.