Rubiks Cube 2D

The new way of Rubiks Cube, the easy and brainy plane Rubiks Cube mini-game, 3 kinds of difficulty, more challenging.
How to play 1: According to the written records of the shuffling order, slide the squares in reverse order to spell back the nine colors of the Rubiks Cube.
How to play 2: There is no written record of the shuffling order, observe and memorize the shuffling order, slide the squares in reverse order to spell back the nine colors of the Rubiks Cube.
How to play 3: There is no written record of the shuffling order, use your own brains to calculate and decrypt, and complete the combination of the plane Rubiks cube.