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Scramble the board, then recreate the original setup by clicking the arrows.[more]
Three different boards are available and three different playing modes ("challenges").
In challenge 1, clicking an arrow will reverse the associated row or column.
Challenge 2 has additional diagonal arrows that shift the tokens on the diagonal by one position.
In challenge 3, you click two rows or two columns to swap their places. The first row or column clicked will be reversed in this process.[less]
Contributed by: Karl Scherer (March 2011)
Open content licensed under CC BY-NC-SA
The option "setup" offers you three different setups to start with (board half full, full, or empty).
Setup 3 presents you with an empty board. You have to click board positions repeatedly to create your own setup.
Challenge 1 was first published by the same author as the Zillions game "Cleanup".
Challenge 2 was first published by the same author as the Zillions game "Cleanup II".
Challenge 3 was first published by the same author as the Zillions game "Cleanup III".
Wolfram Demonstrations Project
Published: March 7 2011