Dooors 3 Level 33 Walkthrough:
Use the rod to take off the band holding the gate.
Drag the gates aside.
Tilt your phone left and right and you'll see the clue in the grey box move.
In the left grey box, subtract the two symbols.
In the right grey box, add the two symbols.
See the symbols in the second screenshot above.
Proceed to the next Dooors 3 level!
Hit like if the Dooors 3 Level 33 walkthrough helped you! Thanks :)