Interstellar Sandwich
(Published on 19. February 2025, 10:00 by palpot)
This puzzle was created for Scojo's weekly setting prompt featuring 'Sandwiches', and 'Negators'.
I hope you enjoy solving it!
Rules:
Normal sudoku rules: Place the digits 1 to 9 in each Row, Column, and 3X3 box.
Star Battle: Every row, column, and 3x3 box must contain exactly two stars. Stars cannot touch other stars, orthogonally or diagonally.
Negators: Every row, column, and 3x3 box must contain exactly one Negator cell. Cells with stars cannot contain Negators. Each Negator cell must contain a different digit. The value of a Negator cell is equal to -1 times the digit it contains.
Sandwich sums: Sandwich clues outside the grid indicate the sum of the Values between the two stars in that row/column.
Solve online: SudokuPad
Solution code: Values in column 5 from top to bottom (12-3456789, For example).
Comments
on 22. February 2025, 17:47 by marcmees
Very nice. Thanks
on 20. February 2025, 12:24 by Snookerfan
Superb puzzle, extremely smooth and great fun! Thank you
on 19. February 2025, 16:11 by wuc
Awesome puzzle. What a great construction. I love sandwich puzzles but this gave it a new level of fascination. Thx for sharing.
on 19. February 2025, 15:47 by Joyofrandomness
Wonderful puzzle! Such a treat! Also I really appreciated the extra row / column for being able to take notes and keep track of information
on 19. February 2025, 11:38 by StefanSch
Nice logic!
