The Adventure Of Lomax

Level Password  
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1   X X A A X O # #  
2   # X O A X O # #  
3   O O # A X O # A  
4   X X X A O # X O  
5   # # A O X # X O  
6   O O O O O X X X  
7   # # # O X A O X  
8   X X X O O O X X  
9   X X A # X O # A  
10  A X O # X O A A  
11  # # # # O O X  
12  X X X # O A X O  
13  A A A X O # X O  
14  # A O X X X # A  
15  O A # X X X # A  
16  O X X X X X X X  
17  A A A A A # # #  
18  O O O A # X A #  
19  # # # A A A # #  
21  A A A O # X A #  
22  O O O O # A A A  

Key: 
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A: Triangle
#: Square
O: Circle
X: "X"