Logic Masters Deutschland e.V.

Happy Year of the Horse! Today marks the first day of the Lunar New Year in China.

I hope this little puzzle brings you a moment of delight. Wishing you all a wonderful year ahead. May everything go smoothly and happily!

• Doppelgänger Sudoku:

  • Fill each cell of the main 6x6 grid such that every row, column and 2x3 box contains a 0 and five different digits from 1-6.
  • No two rows, no two columns and no two boxes may be missing the same digit.
  • For each 0 in the grid, the digits missing in its row, column and region must be three different digits.
  • The notes area outside the grid must filled in with the digits that are missing from the corresponding row/column/box.

• Knight's Tour:

  • A horse moves like a chess knight within the 6×6 grid. Its path starts at the bottom-left corner and must end at the top-right corner (marked with a flag).
  • The starting cell contains a 0. With each move, the horse advances to the next number in sequence. It must count sequentially from 0 to 6, arriving on the number 6 at its final destination.

• Parity lines:

  • Along a red line, adjacent digits must alternate between odd and even.