CANNONBALL ROOM
This room belongs to Reggie.
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You can open the wardrobe once you have taken the putter in front of it.
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You will find a clue to the safe's code somewhere in this room.
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Does something look especially out of place to you?
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Look at the golf balls and pegs on the floor.
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Specifically their shapes and arrangement.
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If you need help to read their message, look at the wall art.
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Morse code is made up of dashes and dots.
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In this case, balls are the dots and pegs are the dashes.
(SOLUTION FOLLOWS)
↓
↓
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↓
↓
The message is N-E-A-T.
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Type NEAT (or 6328) on the safe keypad and turn the dial.
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Don't forget to examine the contents.