Central Heat
by FullDeck and Missing a Few Cards Open on SudokuPad
Heartburn
- Kropki dots
- Thermometers
- Kropki ratio
- Thermo
The brief
- Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Thermometers: Digits on Thermos are strictly increasing from bulb to tip. - Ratio Dots: Digits separated by a black dot are in a 1:2 ratio. Not all possible dots are given.