Anti-king Diagonal 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-King Sudoku ("Touchless Sudoku") equal digits can be neither orthogonally nor diagonally adjacent.
Diagonal Sudoku Rule: Sudoku main diagonals also contain the digits 1 through 9.
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-king Diagonal Outside Sudoku = Outside Sudoku + Anti-king Sudoku + Diagonal Sudoku.