Logic Masters Deutschland e.V.

This is dedicated to a special person! Enjoy!

• Normal Sudoku rules apply.
• Kropki Dots: A black dot between cells indicates cell values with a 2:1 ratio. A white dot between cells indicates cells with consecutive values. Not all dots are given.
• XV Pairs: Digits separated by X sum to 10, digits separated by V sum to 5. Not all pairs are given / No negative constraint.
• Purple Renban Lines: Digits on purple lines are a set of consecutive digits, without repeats, in any order.
• Green German Whispers Line: Consecutive digits on a green line must differ by a minimum of 5.
• Skyscrapers: Clues outside the grid count the number of cells seen inside the grid of its row or column. Each cell is a skyscraper of a height corresponding to its value and taller skyscrapers block sight of shorter ones.
• Sandwich Sums (purple): Digits between 1 and 9 in the indicated row or column must sum to the indicated purple value.
• Numbered Rooms (green): Clues in green outside the grid give the digit to be placed in the Nth cell in that row or column, where N is the digit in the first cell.