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Pips #22 (October 17, 2026): the three boards and their solutions

Easy, Medium and Hard from Saturday, October 17, 2026. Play them first; each board's answer is folded below. Replays don't affect your streak.

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Pips #22 is day 22 of Puzzlune Pips: three domino boards for Saturday, October 17, 2026, Easy with 5 dominoes on a 5×3 grid, Medium with 7 dominoes on a 5×4 grid, Hard with 10 dominoes on a 6×5 grid. Every region on a board carries a rule, shown as a badge: a number means the pips inside add up to it, “=” means every pip is the same, “≠” means all different, and “<” or “>” compare the region's total to a number. Below, each board's regions are listed with what their rule demands, followed by the full placement.

Pips #22 in numbers

Easy5×3 · 5 dominoes · 4 regions
Medium5×4 · 7 dominoes · 5 regions
Hard6×5 · 10 dominoes · 8 regions

Easy: 5×3 board, 5 dominoes, 4 regions

The dominoes are 0–0, 2–0, 2–2, 1–1, 1–6: 15 pips over 10 cells. The 2 sum regions ask for 8 pips across 5 cells, so the remaining 5 cells share the other 7. 2 regions need every pip the same, which only doubles or matching halves of different dominoes can supply. This board accepts 2 valid arrangements; one is shown below.

RegionCellsRule
=3all pips equal
=2all pips equal
02adds up to 0 (average 0.0 per cell)
83adds up to 8 (average 2.7 per cell)
Easy board: the solution

Pip counts per cell; colours mark the regions, the small label is the region's rule.

Domino by domino: 0–0 down column 2, rows 1–2; 2–0 across row 3, columns 4–5; 2–2 down column 1, rows 2–3; 1–1 across row 3, columns 2–3; 1–6 across row 2, columns 3–4.

Medium: 5×4 board, 7 dominoes, 5 regions

The dominoes are 1–5, 0–0, 1–3, 2–1, 4–1, 4–4, 5–5: 36 pips over 14 cells. The 3 sum regions ask for 14 pips across 9 cells, so the remaining 5 cells share the other 22. 1 region needs every pip the same, which only doubles or matching halves of different dominoes can supply. This board accepts 2 valid arrangements; one is shown below.

RegionCellsRule
84adds up to 8 (average 2.0 per cell)
32adds up to 3 (average 1.5 per cell)
=3all pips equal
33adds up to 3 (average 1.0 per cell)
<132total below 13
Medium board: the solution

Pip counts per cell; colours mark the regions, the small label is the region's rule.

Domino by domino: 1–5 down column 4, rows 1–2; 0–0 down column 5, rows 2–3; 1–3 across row 4, columns 4–5; 2–1 across row 3, columns 3–4; 4–1 across row 2, columns 2–3; 4–4 across row 3, columns 1–2; 5–5 across row 4, columns 1–2.

Hard: 6×5 board, 10 dominoes, 8 regions

The dominoes are 4–4, 0–5, 4–6, 4–2, 6–5, 6–1, 1–1, 1–2, 0–3, 0–0: 55 pips over 20 cells. The 5 sum regions ask for 27 pips across 11 cells, so the remaining 9 cells share the other 28. 2 regions need every pip the same, which only doubles or matching halves of different dominoes can supply. 1 region needs all pips different. This board accepts 8 valid arrangements; one is shown below.

RegionCellsRule
≠3all pips different
=3all pips equal
63adds up to 6 (average 2.0 per cell)
32adds up to 3 (average 1.5 per cell)
102adds up to 10 (average 5.0 per cell)
=3all pips equal
32adds up to 3 (average 1.5 per cell)
52adds up to 5 (average 2.5 per cell)
Hard board: the solution

Pip counts per cell; colours mark the regions, the small label is the region's rule.

Domino by domino: 4–4 down column 5, rows 1–2; 0–5 down column 6, rows 2–3; 4–6 down column 4, rows 2–3; 4–2 down column 5, rows 3–4; 6–5 down column 2, rows 4–5; 6–1 across row 5, columns 4–5; 1–1 down column 1, rows 1–2; 1–2 down column 1, rows 3–4; 0–3 across row 3, columns 2–3; 0–0 across row 4, columns 3–4.

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