Project 15 Puzzle · Solving the Original Configuration

Lesson 5

Nikolai Chukhin · Alexander S. Kulikov

Problem. Which of the following permutations are even?

5 points
  1. \((5, 4, 3, 2, 1, 0)\)

  2. \((0, 1, 2, 3, 5, 4)\)

  3. \((5, 0, 1, 2, 3, 4)\)

  4. \((3, 2, 5, 1, 0, 4)\)

  5. \((1, 0, 3, 2, 4, 5)\)

  6. \((0, 2, 1, 4, 3, 5)\)