🥪 Sandwich Sudoku
Sudoku where clues show the sum of digits sandwiched between 1 and 9.
Category
Sudoku Family
How to Play
- Standard Sudoku rules apply
- Numbers outside the grid show sandwich sums
- The sum is the total of digits between 1 and 9 in that row/column
- A sum of 0 means 1 and 9 are adjacent
- Use sandwich clues to place 1s and 9s first
Puzzle Source
🔧 Generator
Puzzles are algorithmically generated on-the-fly.
Source: Algorithmic generation with sandwich constraints
Tips & Strategy
- Start by finding where 1 and 9 must be
- Maximum sandwich sum is 35 (2+3+4+5+6+7+8)
- Low sums mean 1 and 9 are close together
Issues & Bugs
🔍 Search existing issues for "SandwichSudoku"
📝 Report a new bug
Part of the Enigma puzzle collection