Text this

Number:

Provider:

CAPTCHA:

  _____    _    _   __    __     ___       _____  
 |__  //  | || | || \ \\ / //   / _ \\    / ___// 
   / //   | || | ||  \ \/ //   / //\ \\   \___ \\ 
  / //__  | \\_/ ||   \  //   |  ___  ||  /    // 
 /_____||  \____//     \//    |_||  |_|| /____//  
 `-----`    `---`       `     `-`   `-` `-----`

Please enter what you see:

Text this: Node placement strategy in wireless sensor network