Bluish Escape Level 22 Walkthrough:
Tap the three squares above the door in the order shown by the numbers at the top.
1st = Tap square 1, 2, 3
2nd = Tap square 1, 3, 2
3rd = Tap square 3, 1, 2
4th = Tap square 2, 3, 1
Pick up the key and use it on the door.
Proceed to the next Bluish Escape level!
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