Logic Masters Deutschland e.V.

Normal sudoku rules: Every row, column, and box must contain a complete set of the digits 1-9.

Palindromes: Digits along a palindrome line read the same forwards as backwards along the line.

Column Indexing: Digits placed in red cells indicate the position of the corresponding column number in that row. For example, if r2c1 were a 6, then r2c6 would be a 1.

Row Indexing: Digits placed in green cells indicate the position of the corresponding row number in that column. For example, if r2c3 were a 6, then r6c3 would be a 2.

A note about difficulty: On our website, Missing Deck Puzzles, we categorize our puzzles as

• Brassica
• GAS
• Mild Indigestion
• Indigestion
• Strong Indigestion
• Heartburn

We generally only our Mild Indigestion and higher puzzles on LMD, with Indigestion usually corresponding roughly to 1-2 stars on LMD and Heartburn anywhere from 2-4 stars on LMD. We don't typically share here our GAS or Brassica puzzles but please go explore our archive if you'd like to see some of those. GAS corresponds to the original daily GAS puzzles, where "hats" were awarded for times on the order of 5-10 minutes. Brassica puzzles are intended to be much easier, suitable for beginning solvers.

We categorized this puzzle as Heartburn.

Try the puzzle on the SudokuPad app by Sven Neumann.

You can find a complete list of our puzzles on LMD here. Please also visit us at Missing Deck Puzzles, where we post a new puzzle each day.