Escape from the Similar Rooms 12

[old biker]

Escape from the Similar Rooms 12 is another new point and click, room escape developed by Hottategoya Games.Search for clue's and items, use them, solve puzzles and escape

Good luck

Play here!

Please use spoilers for hints and walkthroughs:
[spoiler=Title Here]Enter text here...[/spoiler]

Please do not post a video walkthrough for 7 days.

[graywolf]

Viewed rooms; have paper clue, math equation and a 3 letter/number clue.
Entered 3 combos to get 3 diamonds.

number & signs = equation as per position in cabinet

End room clock shows letter=number

Paper /w coloured bookcase.

Clear!