128: Grand Challenge 9
Closed since almost 17 years ago
IntermediateSummary
- Created
- March 11, 2009
- Expires
- Max points
- 100
The ninth Grand Challenge Puzzle.
Top groups
-
pts. 11,017
-
-
-
-
-
-
-
-
-
Closed since almost 17 years ago
IntermediateThe ninth Grand Challenge Puzzle.