Water Rings
by FullDeck and Missing a Few Cards Open on SudokuPad
Mild Indigestion
- Kropki dots
- Thermometers
- Kropki ratio
- Thermo
The brief
**Standard Sudoku, Thermo, Ratio Pairs** - 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: Cells separated by a black dot are in a 2:1 ratio. Not all dots are necessarily given.