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| || | ||  /_   _// |      \\   / _ \\   /_   _// 
| '--' ||   -| ||-  |  --  //  / //\ \\  `-| |,-  
| .--. ||   _| ||_  |  --  \\ |  ___  ||   | ||   
|_|| |_||  /_____// |______// |_||  |_||   |_||   
`-`  `-`   `-----`  `------`  `-`   `-`    `-`'

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Text this: Development of a quad-copter platform for map building in unknown environment