Tight Turns

**Standard Sudoku, Thermometer, Quadruples** - Standard sudoku rules apply: The digits 1 through 9 appear in every row, column, and box. - Thermos: Digits on Thermos are strictly increasing from bulb (grey circle) to tip (along the grey line). - Quadruples: Digits in a white Quadruple circle must appear at least once in the four cells touching the circle. For more of our puzzles, please visit https://missingdeck.net