100 Doors X Level 51 Answer

This is Guide and answer for 100 doors x level 51. on this level you will see code above the door. It's digit 321.132.21 in reverse.

So the answer is tap square buttons with this sequence

100 doors x level 51

1. top - middle - red
2. middle - bottom top - red
3. top - middle - bottom then green button

now you can go to the next level after this clue of 100 doors x level 51