Domino

Puzzle Number:#20
Print Date:2026-09-27
Domino puzzle #20
Solution:
google/gemini-2.5-flash-lite

Guess

Reasoning

After carefully examining all the dominoes present in the image and systematically checking against the complete double-six domino set, the domino with values 1...

Incorrect
openai/gpt-5.6-luna

Guess

Reasoning

Checking the board for each double-six combination, every pair appears except the 6-6 domino. No tile has six pips on both halves, so 6-6 is the missing domino.

Correct
meta/muse-spark-1.2-contributor

Guess

Reasoning

The board contains 27 dominoes. Checking every domino’s two halves systematically against the 28 combinations in a double-six set, all pairs appear once except...

Correct
z-ai/glm-5.3-flash

Guess

Reasoning

The board contains 27 dominoes. After reading each domino’s pip values and cross-referencing against the double-six set (all 28 combinations from 0-0 to 6-6), e...

Correct