Archive · Pips #24

Pips #24 (October 19, 2026): the three boards and their solutions

Easy, Medium and Hard from Monday, October 19, 2026. Play them first; each board's answer is folded below. Replays don't affect your streak.

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Pips #24 is day 24 of Puzzlune Pips: three domino boards for Monday, October 19, 2026, Easy with 5 dominoes on a 4×4 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 #24 in numbers

Easy4×4 · 5 dominoes · 4 regions
Medium5×4 · 7 dominoes · 5 regions
Hard6×5 · 10 dominoes · 8 regions

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

The dominoes are 6–1, 4–3, 3–3, 5–5, 0–5: 35 pips over 10 cells. The 2 sum regions ask for 16 pips across 5 cells, so the remaining 5 cells share the other 19. 2 regions need every pip the same, which only doubles or matching halves of different dominoes can supply. This board accepts 4 valid arrangements; one is shown below.

RegionCellsRule
=3all pips equal
=2all pips equal
113adds up to 11 (average 3.7 per cell)
52adds up to 5 (average 2.5 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: 6–1 across row 1, columns 3–4; 4–3 down column 3, rows 2–3; 3–3 down column 2, rows 3–4; 5–5 across row 2, columns 1–2; 0–5 down column 1, rows 3–4.

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

The dominoes are 0–0, 3–3, 0–3, 4–4, 4–1, 4–6, 3–5: 40 pips over 14 cells. The 3 sum regions ask for 23 pips across 8 cells, so the remaining 6 cells share the other 17. 1 region needs every pip the same, which only doubles or matching halves of different dominoes can supply. The arrangement below is the unique answer.

RegionCellsRule
=3all pips equal
<63total below 6
93adds up to 9 (average 3.0 per cell)
92adds up to 9 (average 4.5 per cell)
53adds up to 5 (average 1.7 per cell)
Medium 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 5, rows 1–2; 3–3 across row 3, columns 4–5; 0–3 across row 4, columns 3–4; 4–4 down column 1, rows 2–3; 4–1 across row 4, columns 1–2; 4–6 across row 3, columns 2–3; 3–5 across row 2, columns 3–4.

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

The dominoes are 4–0, 1–6, 5–1, 3–5, 6–0, 2–3, 0–3, 1–3, 0–1, 3–3: 50 pips over 20 cells. The 7 sum regions ask for 40 pips across 18 cells, so the remaining 2 cells share the other 10. 1 region needs every pip the same, which only doubles or matching halves of different dominoes can supply. This board accepts 8 valid arrangements; one is shown below.

RegionCellsRule
52adds up to 5 (average 2.5 per cell)
73adds up to 7 (average 2.3 per cell)
73adds up to 7 (average 2.3 per cell)
33adds up to 3 (average 1.0 per cell)
122adds up to 12 (average 6.0 per cell)
42adds up to 4 (average 2.0 per cell)
=2all pips equal
23adds up to 2 (average 0.7 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: 4–0 down column 1, rows 4–5; 1–6 down column 6, rows 2–3; 1–5 across row 5, columns 3–4; 3–5 down column 5, rows 4–5; 0–6 across row 3, columns 4–5; 3–2 across row 4, columns 3–4; 0–3 across row 1, columns 4–5; 1–3 across row 2, columns 4–5; 1–0 down column 3, rows 2–3; 3–3 down column 2, rows 3–4.

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