Anti-knight Outside Sudoku Rules
Outside Sudoku is a variation of the standard Sudoku. Some digits are given outside the grid. These digits must appear in the first three cells in the corresponding direction.
Additional Rules:
Anti-Knight Sudoku all cells at a chess knight move (at a distance of 2 by 1) must hold different numbers.
Outside Sudoku is a variation of the standard Sudoku. Some digits are given outside the grid. These digits must appear in the first three cells in the corresponding direction.
Anti-knight Outside Sudoku = Outside Sudoku + Anti-knight Sudoku.