#!/usr/bin/env php
Parsing directory with columnar format...

First 5 entries with their coverage:
  [0] TileID 99 to 159 (run=61), offset=77, length=64
  [1] TileID 1467064 to 1479085 (run=12022), offset=936, length=9
  [2] TileID 3359991 to 3360049 (run=59), offset=1012, length=492
  [3] TileID 3376329 to 5226342 (run=1850014), offset=1096, length=13919
  [4] TileID 3376443 to 173727334 (run=170350892), offset=351777249486534, length=15488484252

Using find_entry_for_tileid(10377)...
Result: offset=NULL, length=NULL