The Ten Dual Commandments
by John Laurens and Charles Lee Open on SudokuPad
Indigestion
- XV and number dots
- Negative constraint
- XV (negative)
The brief
- Normal Sudoku rules apply. - Cells separated by an X must sum to 10. Cells separated by a V must sum to 5. ALL Xs and Vs are given. The ten X's in the puzzle are the ten dual (sic) commandments.