- Normal Sudoku Rules Apply
- 159 Sudoku Rules, but for ALL columns:
Digit X in Column Y means that
Digit Y will appear in Column X in that Row
(Example: If R3C7 is 5 then R3C5 is 7)
- Cells separated by V sum to 5
- Cells separated by X sum to 10
(Not all Vs and Xs are given)
- Inequality signs point to smaller digit