New zMahjong Solitaire IQ

This is the a variated version of Zhongyuan Mahjong (Solitaire) with Hint and Undo and Score Center newly added.

zMahjong Solitaire is the most difficult and amazing puzzle game in the world! This game demands huge observations, great patience and challenging spirit! Although only 10% people can finally complete the game, yet tens of thousands of people are challenging and enjoying it every day!

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***Game goal
Clear the board by removing two same tiles each time as quickly as possible.

***How to remove
Simply click two identical tiles on a same line to remove. Or push one of them to a new location where they ca be on a same line.

****Game features
you can proceed games with one Hint and one Undo.