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Take a good look at the map and follow the 4-1-3-2 coordinates.
The 4-1-3-2 coordinates indicate the four compasses at the corners of the map.
Compass 4 marks NW1, because the first notch is highlighted between NORTH (N) and WEST (W).
Compass 1 marks NE5, because the fifth notch is highlighted between NORTH (N) and EAST (E).
The coordinates to be entered are: NW1, NE5, SW4, SE2, therefore the correct password is: NW1NE5SW4SE2.