History of run 4 changes

In src/main.rs, lines 131–367 on 2a7f06b4392fa5d95eb58add6c5809169c862bb2430d3c8c4c5688139dd0f3a3+86e682c242c6d7cf28e6c0b3df731c14dc7fd6936744b213ed8fb9bafea7dd0d+ff0af1ee299d64b3ca59b3a9f70da9645e199e3e13c338c2c29a4fb300939220. Every change that wrote or deleted one of these lines, or deleted a line from between them. Exact, because each line keeps its identity across edits; edits elsewhere in the file are not here. Also: oxy log -L 131,367:src/main.rs.