Solution:
google/gemini-2.5-flash-lite
Guess
Reasoning
I have systematically checked all dominoes present on the board. By comparing the count of each number (0 through 6) on both halves of the dominoes, I can deter...
Incorrect
openai/gpt-5.6-luna
Guess
Reasoning
Comparing the dominoes on the board against all 28 unique double-six combinations, every pair appears except the 1-4 domino.
Correct
qwen/qwen3.8-flash
Guess
Reasoning
The board contains 27 dominoes. Checking every pair systematically, the 1-6 domino never appears, so it must be the excluded one.
Incorrect