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| \  / || | || | ||  |  _ \\   \ \\/ //  |  _ \\  
|  \/  || | || | ||  | |_| ||   \ ` //   | |_| || 
| .  . || | \\_/ ||  | .  //     | ||    | .  //  
|_|\/|_||  \____//   |_|\_\\     |_||    |_|\_\\  
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Text this: Spherical coordinate routing for 3D wireless ad-hoc and sensor networks