Solution:
google/gemini-2.5-flash-lite
Guess
Reasoning
I have identified all 27 visible dominoes and checked them against the complete set of 28 dominoes in a double-six set. The domino 1-4 is not present on the boa...
Incorrect
openai/gpt-5.6-luna
Guess
Reasoning
Checking the 27 displayed dominoes against all 28 unique double-six combinations, every pair appears exactly once except 1-2, which is absent.
Correct