#225 Dominoku
Set by Zoe Mensch
Over the past decade, the puzzling community has enjoyed inventing new puzzle names by adding the suffix “oku” to the end of various words.
To create this puzzle, a “dominoku”, I have taken a full set of 28 dominoes (in which the numbers run from 0 to 6, and each number is paired exactly once with every other number, including itself). I mixed the dominoes up and set them out on a 7 × 8 rectangle on a table. Then I turned three over and copied the other numbers onto a grid. Your challenge is to identify which dominoes I hid and to mark the boundaries …