拉丁方阵

lā dīnɡ fānɡ zhèn
  • Latin square
拉丁方阵拉丁方阵
  1. 显然答案肯定比拉丁方阵的解来得少,因为数独多了各宫限制的条件。

    Clearly , the answer has to be smaller than the number of Latin squares because of the added constraints imposed by the subgrids .