Tutorial design for Battalion Wars controls

/===+==E==+===\
|   |     |   |
| S B  G  B S |
|   |     |   |
+=C= ==O== =C=+
|             |
|      S      |
|             |
\-------------/

S = Start
G = Pressure Switch for Gates: middle gate is closed and side gates are opened when held down
O = Open Gate
C = Closed Gate
S = Pressure Switches for Exit: opens exit when both are held down
B = Bridges; opened up by a pressure switch right past the Exit
E = Exit