Level Codes:

Level 2 
X, X, X, Circle, Triangle, X, Circle, Square 

Level 3 
Square, X, X, Triangle, Circle, Circle, Circle, Triangle 

Level 4 
Circle, Circle, Square, Square, Triangle, X, Triangle, 
Circle

Level 5
Triangle, Triangle, Triangle, Square, Circle, Triangle,
X, X 

Level 6
Square, Circle, Triangle, Triangle, Circle, Square, X,
Square 

Level 7
Circle, Triangle, Circle, Square, Square, Square, 
Triangle, Triangle 

Level 8
Circle, X, Circle, X, Square, Triangle, X, Triangle
 
Level 9
Square, X, Circle, Circle, Circle, Triangle, X, Circle 

Level 10
Triangle, X, X, Circle, Circle, Triangle, Circle, X 

Level 11
X, Triangle, Circle, Circle, Square, Square, X, Square 

Level 12
Circle, Circle, Square, Triangle, Triangle, X, Circle,
Triangle 

Level 13
Circle, Triangle, Triangle, Circle, X, X, Square, Square
 
Level 14
Circle, Circle, Triangle, X, Square, Square, X, Circle