Domino

I have accounted for all possible dominoes from a double-six set (0-0 to 6-6), excluding one domino. By carefully examining each domino present in the image and...

I could not read every half reliably at this resolution, so this is a low-confidence guess. Few halves appear to show six pips, which suggests the 6-6 domino is...

The board contains 27 dominoes, and checking the double-six combinations shows that the 3-3 domino is the only pair not represented.

The board shows 27 dominoes, and checking the visible pip combinations, the 3-5 domino does not appear.

The board contains 27 dominoes. Systematically checking every unordered pair 0-0 through 6-6, all dominoes appear once except the double-five. No domino shows 5...

The board contains 27 dominoes. I systematically identified each domino by reading the pip counts on both halves. Checking all 28 combinations from the double-s...

I enumerated the 27 dominoes on the board and checked them against all 28 double-six combinations. The 0-2 domino is the only pair that does not appear anywhere...