But this concept did not come from Japan, it came from Latin square. Euler who is Helvetic mathematician in 18 AD invented it.
但这一概念最初并非来自日本，而是源自拉丁方块，它是十八世纪的瑞士数学家欧拉发明的。
But this concept did not come from Japan, it came from Latin square. Euler who is Helvetic mathematician in 18 AD invented it.
但这一概念最初并非来自日本，而是源自拉丁方块，它是十八世纪的瑞士数学家欧拉发明的。
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