The string was etched into the underside of a titanium bridge, hidden from the rain but visible to anyone drifting down the river in a low-slung boat. .
He tapped the string into his handheld terminal. The "-1-" was the pivot point. When he ran a standard Caesar shift on the segments, the gibberish began to melt away. Ufstqnl became Testing . Ku became Lv . "It's a heartbeat," he whispered. bao-ufstqnl-1-nabzcqfcl-ku-upzci-wazoppdo-rkscvdi
Knowing the context could help me tailor the story even further! The string was etched into the underside of