Bipolar Quads

by The Bard by The Bard

CASE 2045

Bipolar Quads

More from The Bard

Not graded yet
  • Quadruples
  • Lines of set digits

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 at least one of the four surrounding cells.

Anti-Quadruples: Digits in the light red circle cannot appear in one of the four surrounding cells.

Bipolar Quadruples: In the yellow circle of the four digits, two digits cannot appear and the two other digits must appear in any of the four surrounding cells.

2468246824682468246824246824682468346723472347367836782568568935135725792345