Solution:
google/gemini-2.5-flash-lite
Guess
Reasoning
After meticulously cataloging all dominoes present on the board, the domino with the pip combination of 5 and 6 was found to be missing. All other dominoes from...
Incorrect
openai/gpt-5.6-luna
Guess
Reasoning
I compared the pip counts on all visible domino halves against the complete double-six set. The 1-2 combination is the only domino that does not appear on the b...
Incorrect
meta/muse-spark-1.2-contributor
Guess
Reasoning
The board shows 27 dominoes. Systematically checking every unordered pair 0-0 through 6-6, all doubles except 3-3 and all mixed pairs appear once. The 3-3 doubl...
Incorrect
qwen/qwen3.8-flash
Guess
Reasoning
After reviewing the dominoes on the board, I systematically checked for each unique domino from a double-six set. The domino with values 5 and 6 is the only one...
Incorrect