Closer!
by FullDeck and Missing a Few Cards Open on SudokuPad
Heartburn
- Kropki dots
- Thermometers
- Chinese whispers
- Kropki difference
- Thermo
The brief
- Normal sudoku rules apply. - Thermos: Along thermos, digits must strictly increase from bulb to tip. - Chinese Whispers: Adjacent digits along a Chinese Whispers line differ by at most 2. - Difference dots: Digits separated by a white dot are consecutive. All thermos in this puzzle are ALSO Chinese Whispers lines.