规则Rules：
填入1~7，使得每个宫及每个行、列内数字不重复（有遗漏）。行列如右图所示。
Write 1~7, make numbers no repeated in each Row/Column and Box. Some numbers will be left out. The Row/Column are shown in the right picture.
作者Author：Sudoku52
设计主题Theme：
正十二边形密铺（Dodecagon Tessellation）🔀
