[Free][Puzzle][Game] Hidden Oxygen - Will You Find It?

[Meek Bits]

Figure out the correct arrangement of oxygen atoms

Rules:
1) Oxygen atoms cannot be adjacent to each other, even diagonally
2) Numbers next to rows and columns tell how many oxygens should be in them
3) Each carbon atom needs 2 adjacent oxygens

Stuck? Press the hint button, which will explain how to come up with the next move.