Logic Masters Deutschland e.V.

Father time marches on once more!


Normal Sudoku Rules apply, along with following additional constraints:

• Killer: Within a cage, digits may not repeat, and must sum to either 20 or 25.
• Little Killer: Along the indicated diagonals, digits must sum to either 20 or 25.
• Sandwich: In a row or column marked with a ? outside the grid, the digits sandwiched between the 1 and the 9 must sum to 20 or 25

Puzzle link

Please also check out my annual puzzles for 2024 and 2023

If you enjoy puzzles like this one, you may also like the following:

• 1918
• 25/12
• 13 going on 30
• Teenage Dream
• 21 Again
• Lucky Thirteen
• Sweet Sixteen
• Fifteen/Love