October 2010
edit
Welcome to Wikipedia. The recent edit you made to Concentration has been reverted, as it appears to be unconstructive. Use the sandbox for testing; if you believe the edit was constructive, ensure that you provide an informative edit summary. You may also wish to read the introduction to editing. Thank you. Tiderolls 00:09, 28 October 2010 (UTC)
The recent edit you made to Concentration constitutes vandalism, and has been reverted. Please do not continue to vandalize pages; use the sandbox for testing. Thank you. Tiderolls 00:09, 28 October 2010 (UTC)
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