Ground truth for report-text.pdf (YYSI synthetic demo, 2026-11-11).
All amounts are invented. Logical reading order below; note the two-column
sections are column-wise here, while row-wise extraction interleaves them.

=== Page 1 ===
Quarterly Field Report — Q3 2026
Demo document generated by YYSI for the PDF extraction guide. All data is synthetic.
This page has a real text layer. Open it in any PDF reader and you can select
these words with the mouse and copy them. Extraction tools read the same text
without OCR — that is why the extracted result keeps every word.
Left column: maintenance
A. Filter replaced on 12 August.
B. Coolant topped up, no leaks.
C. Tyre pressure set to 2.4 bar.
Right column: inspections
D. Brake pads measured at 6 mm.
E. Lights and horn tested, pass.
F. Next visit booked 30 October.
Item Qty Unit price Amount
Air filter 2 14.50 29.00
Wiper blades 4 9.80 39.20
Coolant (1 L) 3 12.35 37.05
Total 105.25

=== Page 2 ===
库存盘点示例（合成数据）
本页带有真实文字层：在阅读器里可以直接选中并复制这些汉字，
提取工具不需要 OCR 也能读到同样的内容。
但换行位置和先后顺序取决于 PDF 内部书写顺序，双栏内容尤其要核对。
左栏：保养记录
甲．已更换机油滤芯。
乙．已补充玻璃水。
右栏：安全检查
丙．灯光测试通过。
丁．胎压恢复正常。
品名 数量 单价（元） 金额（元）
空气滤芯 2 14.50 29.00
雨刮片 4 9.80 39.20
冷却液（1升） 3 12.35 37.05
合计 105.25