Archive · Zip #43

Zip #43 (November 7, 2026): solution and route

The 8×8 Hard puzzle from Saturday, November 7, 2026. Play it first; the route and the solved path are folded below. Replays don't affect your streak.

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Zip #43 was the 8×8 hard board of Saturday, November 7, 2026: 10 numbered dots, 6 walls, and one path that visits all 64 cells in order. Our solver, a line-for-line port of the app's, needed 3,819 search nodes to prove the path unique, which puts the board at 5 of 5 on the difficulty scale. Along the answer, 57% of the moves had only one legal continuation; the other 27 steps offered a real choice, and those are where you have to look ahead. The path turns at 56% of its cells, and its longest straight run is 8 cells. The longest leg, between two consecutive dots, is 20 cells.

Zip #43 in numbers

Board8×8, Hard
Numbered dots10
Walls6
Cells on the path64
Solver search nodes3,819 (5/5)
Moves with a single legal continuation57%
Decision points27
Turns along the path56%
Zip #43 route, dot by dot

How many cells each leg takes and which way it runs, reading from dot 1. “Right 3” means three steps to the right.

LegCellsDirections
1 → 29left 2, down 1, right 1, down 1, left 1, down 3
2 → 311right 1, up 2, right 2, up 1, left 1, up 1, right 1, up 1, right 1
3 → 43down 2, right 1
4 → 511right 1, up 1, left 1, up 1, right 1, up 1, left 5
5 → 61left 1
6 → 720up 1, right 7, down 5, left 1, down 1, right 1, down 1, left 3
7 → 83left 2, up 1
8 → 94right 2, up 1, right 1
9 → 101down 1

Where the choices are: step 1 at row 3, column 3 (3 ways), step 2 at row 3, column 2 (2 ways), step 4 at row 4, column 1 (2 ways), step 6 at row 5, column 2 (3 ways), step 8 at row 6, column 1 (2 ways) and step 9 at row 7, column 1 (2 ways) and 21 more. Everywhere else only one move keeps the board solvable.

Zip #43 solution

The number in each cell is its position on the path; the dots keep their own numbers and are highlighted.

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