Hint 2
Each of the rooms has a hint to a digit.
The left one might be a little tricky to figure out.
Hint 3
What did you do to unlock the door in the left room?
i figured out the first 2 numbers but the third one is way too hard(but its just 9 options so i could guess) but i typed it backwards so i couldnt get it, i just checked the source code like the cheater i am