Solution:
google/gemini-2.5-flash-lite
Guess
Reasoning
The board contains 27 dominoes. By systematically checking all possible dominoes from a double-six set (0-0 to 6-6), the 3-5 domino is not present on the board....
Incorrect
openai/gpt-5.6-luna
Guess
Reasoning
The board contains 27 dominoes, and no tile has blank halves on both sides. Therefore, the missing domino is the double-blank [0,0].
Correct
qwen/qwen3.8-flash
Guess
Reasoning
By systematically scanning the board and cataloging all 27 visible dominoes, every unique pair from the double-six set is accounted for except the 1-6 domino. F...
Incorrect
meta/muse-spark-1.2-contributor
Guess
Reasoning
The board shows 27 dominoes. Systematically checking all 28 combinations of the double-six set, every domino with at least one pip appears at least once, but no...
Correct