When you interact with one of them it will eother turn of or on all of the ones that are directly above below and to the sides of the one you interacted with so just keep doing it and eventually you will get all of them turned on
i've tried diff comb but it always leave out 1 of um.
did you find out how
how do you do this puzzle its impossible that 1 fire wont light
i did it yesssss