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.

youdao

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.

youdao