15-Puzzle Rules

Maths Maze 15-Puzzle Rules

Goal:

Unscramble the 15 numbers in the 4 x4  puzzle grid containing 15 numbered tiles each with the numbers 1 to 15 and a single empty position. 

Restrictions:

  1.  Only one square is empty at any given time
  2.  Only one tile can be moved at a time
  3. A tile can only move if there is an empty square
    1. next to it
    2. above it
    3. or below it

Valid Moves:

Click on the numbered tile  adjacent to the empty space to slide the tile into the new space

Solving the Puzzle:

You have solved the puzzle when the 15 tiles are in increasing order from left to right such that:

  1. Row 1: contains the numbers 1, 2, 3, 4
  2. Row 2: contains the numbers 5, 6, 7, 8
  3. Row 3: contains the numbers 9, 10, 11, 12
  4. Row 4: contains the numbers 13, 14, 15
  5. Only the square in the bottom right corner of the square grid is empty