Solution:
google/gemini-2.5-flash-lite
Guess
Reasoning
After meticulously scanning all dominoes present on the board, I have determined that the double zero (0-0) domino is the only one absent from the complete set....
Incorrect
openai/gpt-5.6-luna
Guess
Reasoning
I compared the pip counts on all 27 displayed dominoes against the complete double-six set. The 4-5 combination is the only domino that does not appear.
Correct
meta/muse-spark-1.2-contributor
Guess
Reasoning
Scanned the 27 dominoes visible on the board and checked each unordered pair from 0-0 to 6-6. Every combination appears exactly once except 2-5, which never app...
Incorrect
z-ai/glm-5.3-flash
Guess
Reasoning
The board contains 27 dominoes. Scanning every domino systematically, I can account for pairs including 0-2, 0-3, 0-4, 0-5, 1-2 through 1-6, 2-3 through 2-6, 3-...
Incorrect