Archive · Pips #33

Pips #33 (October 28, 2026): the three boards and their solutions

Easy, Medium and Hard from Wednesday, October 28, 2026. Play them first; each board's answer is folded below. Replays don't affect your streak.

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Pips #33 is day 33 of Puzzlune Pips: three domino boards for Wednesday, October 28, 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 #33 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 6–6, 5–5, 3–3, 1–3, 4–0: 36 pips over 10 cells. The 2 sum regions ask for 18 pips across 6 cells, so the remaining 4 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
113adds up to 11 (average 3.7 per cell)
=2all pips equal
=2all pips equal
73adds up to 7 (average 2.3 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: 6–6 down column 1, rows 1–2; 5–5 across row 3, columns 1–2; 3–3 across row 4, columns 2–3; 1–3 across row 2, columns 2–3; 4–0 across row 3, columns 3–4.

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

The dominoes are 1–2, 3–0, 6–6, 2–0, 6–3, 0–1, 2–6: 38 pips over 14 cells. The 5 sum regions ask for 38 pips across 14 cells, so the remaining 0 cells share the other 0. This board accepts 2 valid arrangements; one is shown below.

RegionCellsRule
204adds up to 20 (average 5.0 per cell)
62adds up to 6 (average 3.0 per cell)
02adds up to 0 (average 0.0 per cell)
72adds up to 7 (average 3.5 per cell)
54adds up to 5 (average 1.3 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: 1–2 down column 5, rows 1–2; 3–0 across row 1, columns 3–4; 6–6 down column 1, rows 2–3; 2–0 across row 3, columns 2–3; 6–3 across row 2, columns 2–3; 0–1 across row 4, columns 3–4; 2–6 down column 4, rows 2–3.

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

The dominoes are 1–1, 6–6, 5–5, 2–6, 4–2, 3–5, 1–5, 3–6, 0–5, 0–0: 66 pips over 20 cells. The 5 sum regions ask for 32 pips across 11 cells, so the remaining 9 cells share the other 34. 2 regions need 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
<43total below 4
82adds up to 8 (average 4.0 per cell)
=3all pips equal
62adds up to 6 (average 3.0 per cell)
93adds up to 9 (average 3.0 per cell)
=3all pips equal
22adds up to 2 (average 1.0 per cell)
72adds up to 7 (average 3.5 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: 1–1 down column 6, rows 4–5; 6–6 down column 3, rows 4–5; 5–5 down column 2, rows 3–4; 2–6 down column 3, rows 2–3; 4–2 across row 4, columns 4–5; 3–5 down column 1, rows 2–3; 1–5 down column 2, rows 1–2; 3–6 across row 1, columns 5–6; 5–0 across row 2, columns 4–5; 0–0 across row 1, columns 3–4.

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