Logic Masters Deutschland e.V.

Hope Springs Eternal

I originally created this for Panthera (a birthday puzzle), who kindly allowed me to publish it, for all to enjoy.

Rules

• Normal Sudoku rules apply.
• XVXV
  Digits separated by a V sum to 5 or 15.
  Digits separated by an X sum to 10 or 15.
• Kropki
  Digits separated by a black dot are in a ratio of 1:2
  Digits separated by a white dot are consecutive.
• No negative constraints.

Play online:

SudokuPad: https://tinyurl.com/yckbjxc2