Thermo Sudoku
A sudoku whose digits rise along each thermometer, from the bulb to the tip.
Rules
It's a sudoku: every row, column and box has each digit once.
✓ A sudoku Along a thermometer, digits rise from the bulb to the tip (gaps are fine).
✓ 1, 2, 3 ✗ Falls
Example: Warming Up
Playing here: Tap a cell, then a number (or type it). Pencil adds small notes.