Archive · Pips #1

Pips #1 (September 26, 2026): the three boards and their solutions

Easy, Medium and Hard from Saturday, September 26, 2026. Play them first; each board's answer is folded below. Replays don't affect your streak.

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Pips #1 is day 1 of Puzzlune Pips: three domino boards for Saturday, September 26, 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 #1 in numbers

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

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

The dominoes are 2–2, 6–6, 6–4, 1–1, 2–4: 34 pips over 10 cells. The 2 sum regions ask for 28 pips across 7 cells, so the remaining 3 cells share the other 6. 1 region needs 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
144adds up to 14 (average 3.5 per cell)
=3all pips equal
143adds up to 14 (average 4.7 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: 2–2 across row 1, columns 4–5; 6–6 across row 1, columns 1–2; 6–4 across row 3, columns 3–4; 1–1 down column 2, rows 2–3; 2–4 down column 3, rows 1–2.

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

The dominoes are 5–5, 5–2, 0–1, 5–3, 0–0, 3–2, 1–1: 33 pips over 14 cells. The 2 sum regions ask for 6 pips across 7 cells, so the remaining 7 cells share the other 27. 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
>63total above 6
=4all pips equal
64adds up to 6 (average 1.5 per cell)
03adds up to 0 (average 0.0 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: 5–5 across row 2, columns 4–5; 2–5 across row 3, columns 3–4; 0–1 down column 1, rows 1–2; 3–5 across row 2, columns 2–3; 0–0 across row 1, columns 2–3; 3–2 across row 3, columns 1–2; 1–1 across row 4, columns 1–2.

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

The dominoes are 5–5, 0–0, 1–0, 5–2, 4–2, 6–6, 6–3, 5–4, 4–0, 2–0: 60 pips over 20 cells. The 4 sum regions ask for 42 pips across 10 cells, so the remaining 10 cells share the other 18. 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
163adds up to 16 (average 5.3 per cell)
122adds up to 12 (average 6.0 per cell)
=3all pips equal
103adds up to 10 (average 3.3 per cell)
=3all pips equal
<62total below 6
>52total above 5
42adds up to 4 (average 2.0 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: 5–5 across row 2, columns 1–2; 0–0 down column 5, rows 4–5; 1–0 down column 6, rows 3–4; 2–5 across row 2, columns 4–5; 2–4 across row 3, columns 4–5; 6–6 across row 1, columns 3–4; 6–3 down column 3, rows 2–3; 5–4 down column 2, rows 3–4; 4–0 across row 5, columns 2–3; 0–2 across row 4, columns 3–4.

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