File size: 4932118
Min tile offset (after directories): 5029

=== Testing first 10 entries ===

COLUMNAR:
  [0] ✗ TileID=99, offset=77, length=64 (offset 77 < min 5029)
  [1] ✓ TileID=1467064, offset=936, length=9
  [2] ✓ TileID=3359991, offset=1012, length=492
  [3] ✓ TileID=3376329, offset=1096, length=13919
  [4] ✗ TileID=3376443, offset=351777249486534, length=15488484252
  [5] ✗ TileID=3390683, offset=351777249486534, length=15
  [6] ✗ TileID=174506445, offset=351777249961661, length=125
  [7] ✗ TileID=21111190724, offset=351777249961706, length=14642
  [8] ✗ TileID=21111200888, offset=351777249961797, length=30
  [9] ✗ TileID=21111200948, offset=351777249962597, length=12923
Columnar valid count: 3 / 10

INTERLEAVED:
  [0] ✓ TileID=99, offset=16338, length=1892927
  [1] ✗ TileID=213, offset=20936700617, length=171115762
  [2] ✗ TileID=10377, offset=20936706565, length=28
  [3] ✗ TileID=5570010197639549556, offset=20936706681, length=15424
  [4] ✗ TileID=5570010197640915696, offset=20936706742, length=314313
  [5] ✗ TileID=5570010197640915846, offset=20936713070, length=25
  [6] ✗ TileID=5570010197640915962, offset=20936713089, length=61396
  [7] ✗ TileID=5570010197640915985, offset=20936713204, length=106
  [8] ✗ TileID=3197914574367183726, offset=20937168645, length=67
  [9] ✗ TileID=3197914574368258608, offset=20937168648, length=1883374
Interleaved valid count: 1 / 10

=== DECISION ===
Result: COLUMNAR (has more valid entries: 3 vs 1)

Actual detect_directory_format(): columnar