Enchanted Mahjong - Match Pairs

Mahjong Objetive:

The goal is to clear the board by removing all the matching identical pairs from the layout.
A valid pair consists of two tiles which are both free and identical.

In more details, you can remove a pair of tiles if the following condition are true:
The tiles are identical (e.g. 4 and 4, I and I, etc.)
Each tile of the pair must comply with the following rules:
-No other tile is lying above or is partially covering it.
-No other tile is lying to the left or to the right of it.

Each tile can appears many times in this solitaire mahjong game.

Before the game is unsolvable you can use the button to mix the tiles, or another button that will give you a clue to the next move you could make.

Mahjongg tips and strategies:

-First, try to remove the pairs that will unblock the most tiles.
-When the puzzle board still has tall stacks and long rows, try to make an effort to eliminate them first.
-If all the tiles from the same type are free, just remove all of them.
-If you use the clue button, it doesn't always show the best move, it will probably show the first move it can find.
-Try to identify as many matching pairs in this puzzle game as possible and plan which tiles you will need to match before they can be free.