Date Rewarded: July 10th, 2008.
The Monoceraptor was walking down a path one day when a babaa appeared in front of it. "Solve this puzzle, and you may pass," it said.
Another ancient tomb in the Lost Desert has the following grid engraved on the tomb door:
You must fill in each empty square with a digits from 1-9 such that the vertical sums of the digits match the number above the column, and the horizontal sums match the numbers to the left of the row. No digit will be used more than once in a set. Once you figure out the digits, multiply all of the digits in the circled squares to get your answer.
What number will you get when you multiply the circled digits? Please submit only a single number as your answer; do not submit ANY information other than the answer. Otherwise, your submission may be disqualified.
Babaa Lamp
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This conundrum is actually a Kakuro game [1]. There is a flaw though. If you look at the upper left part with the red number 17. In second row, you have the sum is 21 with 6 blocks. The only choice for the numbers should be 1, 2, 3, 4, 5 and 6. In the fifth column, you have the sum is 17 with 2 blocks. The only choice for the numbers should be 8 and 9. There is no intersection between the above two sets of numbers. Therefore, either number 17 or number 21 should be corrected. People said that TNT intended to make the mistake to prevent people input numbers into a solver.
If we correct the red number 17 by number 4, then we can solve the grid as following:
There are two choices for the numbers that marked with 'X'
If you multiply the numbers in orange color blocks:
Results: 1536 people guessed the correct answer earning themselves 1303 NP each.
References:
[1] Kakuro