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

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Text this: A 24*7 patrolling mobile robot (part 1 - navigation)