http://www.youtube.com/watch?v=Y0ffBZI5PpM

╔══╗──╔╗─╔═╦╗───╔╗
║═╦╬╦═╣╠╗╚╗║╠═╦╦╣║
║╔╣║║═╣═╣╔╩╗║╬║║║║
╚╝╚═╩═╩╩╝╚══╩═╩═╬╣
────────────────╚╝

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