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15 or Slider Puzzle – Walkthrough (Sam Loyd/1879)

15 or Slider Puzzle Walkthrough

This page contains the complete solution or walk-through to this game. Reading this page can spoil the challenge to complete the game by yourself. Please consider this when reading on. The walk-through of this game given here might not be the optimal solution, it’s a solution. Just to prove that the game can be finished. If you want a section of the walk-through or just a hint, send us an email with the part where you’re stuck, we’ll send you the section of the page you’ll need.

Positions are numbered from 1 to 16, from left to right, top to bottom. So are the tiles. When a position is mentioned, it’s regardless the number on the tile on that position. When a number is mentioned it refers to the number on the tile. Always start from the left top corner (position 1). Once a tile is in place, the order shouldn’t be changed anymore.

You should have a line numbered from 1 to 4 on the top row. This principle is the basic to solve any kind of slider of any size. Repeat the above until the last row. In case of a 15 Slider it means you have to repeat this for the second and third row, leaving row 4 to solve. With some luck, this one is in order already, if not, read on.

Tile number nine should now be on position 14, tile number 10 on position 13 etc.

Click here [1] to play and test the slider online