Logic Masters Deutschland e.V.

Whispered Equilibrium

• Place the digits 0-8 once each in every row, column, and box of the grid.
• The central cell with a grey square (R5C5) is even.
• Shade the even central square (R5C5) and some other cells in the grid; shaded cells are negative.
• If a digit is shaded once it is shaded every time, all 0's are unshaded.
• The sum of all the digits in the grid is 0.
• Adjacent digits on a green line must differ by at least 9.

Play with Sudokupad

If you enjoyed this puzzle you might also like my other puzzle that includes this box logic but adds a Yin Yang element as well: Click Here

Enjoy!