# Swapping Knights Puzzle

**Logic**Level 2

Above is a \(3\times3\) board with 4 knights, two white knights and two black knights. As in a standard game of chess, the knight can move only two steps in the horizontal or vertical direction and then one step in the other direction for one move. Define an **action** as moving a knight of any color.

The objective of the game is to interchange the position of both the black and white knights while alternately moving a knight of different color. The final state of the board is:

What is the minimum number of **actions** required to complete the game?

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