3D数独 3D-Sudoku

填入1~9，使得每宫内，及三个宫内每组同行列的格内数字不重复，此外每个面上相同位置不能有相同数字（同位规则）。

Fill 1-9 to make numbers no repeated in each Box, and same three layers' Row/Column. And also, each cell of Box with digits , same position of each box with different digits (Disjoint rules applied).

换句话说，数字不能在宫内及下图所示的结构内重复，并且同时遵守同位的规则。

Otherway, numbers cannot repeat in Boxes and lines like this↓, and also obey the rules of Disjoint.