We should check the original documents of Pre-Qin period to distinguish whether "Hetu" and "Luoshu" are lattice diagram or not.

欲判明先秦文献中所记载的“河图”、“洛书”是否点阵之图，首先应求于先秦文献中有关“河图”、“洛书”的原始记载。

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Private document carved on bronze wares in Shang Dynasty is only part of all the documents of pre - Qin Dynasty, and it is not supposed to be the earliest.

商青铜私文书只是先秦私文书的一部分，并非是我国最早的私文书。

youdao

Private document carved on bronze wares in Shang Dynasty is only part of all the documents of pre - Qin Dynasty, and it is not supposed to be the earliest.

商青铜私文书只是先秦私文书的一部分，并非是我国最早的私文书。

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