Alberi Android Game

This original puzzle game, designed by the Italian Giorgio Dendi, quickly has become the most loved game amongst the readers of Italian's easily most popular logic publication: ''Focus Brain Trainer''.
The game's mechanics are loosely based on the classic logic puzzle of the 8 queens but, despite its simplicity, the game is definitely very (we mean really, really very) challenging: hours of brain-melting puzzles awaits you.
There are only 4 very simple rules but it's gonna be hellish to fully abide all of 'em:
Every zone must have a tree.
Every row must have a tree.
Every column must have a tree.
Two trees cannot occupy adjacent tyles (even not diagonally adjacent).

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