He also looked at virtually all the surviving to pographical survey maps and maps showing the "savage villages" from throughout the Japanese occupation, and then began matching up all these clues as if piecing together a jigsaw puzzle.
他也幾乎找遍了日據時代各期的陸測地形圖、「番地圖」，再把這些蛛絲馬跡像拼圖一般拼出來。