Anti-Quads 2
by The Bard Open on SudokuPad
More from The Bard
- Quadruples
The brief
Normal Sudoku rules apply, place the digits 1-9 in each row, column, and box.
Quadruples: digits in the white circle must appear in one of the four surrounding cells.
Anti-Quadruples: Digits in the small PINK circle cannot appear in one of the four surrounding cells.