Logic Masters Deutschland e.V.

This is the latest in my "Sandwiches Without Givens" series. Other puzzles in the series are:

• Boxed Sandwiches
• Product Killer
• Regional Sums Sandwich
• Sandwich Sweeper
• VXL Sandwiches
• Diagonally Cut Sandwich
• Ren Ban Sandwich
• Sandwich Capsules
• Palindrome Sandwiches
• Clue Sandwich
• 159 Sandwichs
• Friendly Sandwiches
• XV Sandwiches

The Rules:

1. Normal sudoku rules apply.
2. [Red/Blue Sandwich]Shade the x'th cell in each row red, where x is the digit in column 1 of that row. Shade the y'th cell in each column blue, where y is the digit in row 1 of that row. Numbers on the outside of the grid indicate the sum of the digits sandwiched between a red and blue shaded cell in that row or column.
   • Every box must contain exactly one red cell and one blue cell.
   • Red or blue cells may not overlap.
   • Example:
     
     Try this puzzle
3. The three totals marked X must be deduced and must all be equal.

The Puzzle:

F-puzzles: Click here CTC: Click here