Twin Corresponding Diagonal Anti-king Sudoku = Twin Corresponding Sudoku + Diagonal Sudoku + Anti-king Sudoku
Twin Corresponding Diagonal Anti-king Sudoku Additional Rules
Anti-King Sudoku equal digits can be neither orthogonally nor diagonally adjacent.
Diagonal Sudoku Rule: Sudoku main diagonals also contain the digits 1 through 9.
Twin Corresponding Diagonal Anti-king Sudoku = Twin Corresponding Sudoku + Diagonal Sudoku + Anti-king Sudoku