Arpeggio
by FullDeck and Missing a Few Cards Open on SudokuPad
Strong Indigestion
- Thermometers
- Whisper lines
- Dutch whisper
- Thermo
The brief
**Sudoku, Thermometers, Whisper-4** - Standard 9x9 sudoku: The digits 1 through 9 appear in every row, column, and box without repetition. - Thermometers: Digits on grey thermometers are strictly increasing from bulb to tip. - Whisper-4: Adjacent digits along an orange Whisper-4 line must differ by at least four. For more of our puzzles, please visit https://missingdeck.net or join our mailing list to get a weekly digest of puzzles: missingdeck.net/mailing