Anti-Knight Vudoku

Anti-Knight Vudoku Rules

Basic Rules

1. Standard Sudoku Rules:
   ○ Each row, column, and specified region must contain all of the numbers from 1 to 9, without repetition.
   ○ A number cannot appear more than once in a row, column, or specified region.

2. Vudoku-Specific Rule:
   ○ The number at the vertex of each marked "V" must be either the sum or the difference of the other two numbers of the "V".

Additional Rules:

• Anti-Knight Sudoku all cells at a chess knight move (at a distance of 2 by 1) must hold different numbers.

Anti-Knight Vudoku question：

Anti-Knight Vudoku solution：