Each row, column, and 3x3 box must contain the digits 1 through 9.
On thermometers digits increase in value starting from the bulb end, and in cages digits sum to the value in the top left of the cage.
One colour of thermos is strictly composed of odd digits, and the other of evens, it is up to the solver to determine which colour is which parity
Solve on F-Puzzles https://f-puzzles.com/?id=y2hk8bbl
