Shuttle Puzzle Practice II

Every permutation can be represented (not uniquely) as a product of transpositions. The shuttles puzzle serves a convenient tool to practice such representations.

The applet below presents a random permutation of integers 1, ..., N, N being the variable number of vertical poles. The target permutation is shown just below the poles. A horizontal shuttle represents a single transposition that are executed sequentially from the top down. Draw as many shuttles as needed to achieve the target permutation. Press the "Verify" button when ready.

This applet requires Sun's Java VM 2 which your browser may perceive as a popup. Which it is not. If you want to see the applet work, visit Sun's website at, download and install Java VM and enjoy the applet.

What if applet does not run?

Press the "Reset" button for another exercise.

Shuttle Puzzle

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