A map of London Tower is shown below. Every night at Midnight, a guard enters the
portal marked G and marches through every one of the 64 rooms, ending at the black chamber.
By practice, the guard has discovered how to make this march without going through any room twice,
and by making the fewest possible number of turns.
Can you find this route? How many turns did you have to make?
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Solution to the Problem:
The fewest number of turns is 16. Here is the route:
Correctly solved by:
| 1. Kimberly Howe | Vienna, Virginia |
| 2. James Alarie | Flint, Michigan |
| 3. stoddardt kpmath.com |
Mountain View High School, Mountain View, Wyoming |
| 4. Jason Stoddard |
Mountain View High School, Mountain View, Wyoming |
| 5. Ben Todd |
Mountain View High School, Mountain View, Wyoming |
| 6. Behlee Aimone |
Mountain View High School, Mountain View, Wyoming |
| 7. hewittd@kpmath.com |
Mountain View High School, Mountain View, Wyoming |
| 8. Harlan Benedict |
Mountain View High School, Mountain View, Wyoming |