Radio-controlled aircraft

   `   `.,,,,,,,,,:::,,'+#+;,.,,..:.+#;`,++';;:;;;:,``                          
   ``  `.,,,,,,,,,:::;#@#,`.;..,..:..,,,,::,;::;;;;:,``                         
`  `` `..,,,:,,,,,:,:+@;',`;,..,,.,:...,,,,,:;,:;;;;,.`                         
``  ` `..,,,,,,,,,:,,,;++:....,,,.,::,,.,,,,,;.:,;;;;,``                        
      `..,,,,,,,,,:,,,,,,.....,,,.,:,,,,,,,,:;.:,:;;;;,,`                       
 `    `..,,,,,,,:::,,,,,.......,,..,:....,,,::.,,,:';;::`                       
`     `.,,:,,,,,:::,,,,,.......,,...::...,,,::,,,.,;;;,`                        
      `.,,,,,,.,:::,,,,,......:,,,.,,,,...,,:;:,,,,:;:`                         
 `    ..,,:,,,,,::::,,,,,.....,,';:;,;,,.,,,:;:::,.::,``                        
``  ``..,,,,,,,::::::,,,,...,..,,,,,,,,,,,,,:;:::,,,,,.``                       
``` ``.,:::,,,,:::::::,,,..,,.,.,.,,,,,,,,,::::,::,.,,.``                       
``````.,,,,,,,,::::::::,,,,,.,,,,..,,:::,,,,::,:::,,,,,.``                      
`````..,,,,,,,,::,:::::,,,,,,,,,,,,:;:;',..,::,::::,.,,..``                     
`````.,,,,,,,,,:::':::,,,,.,,::,`````.,;,..,:;,,::::,,,,,.`                     
`````.,,,,,,,,,:,:+::,,,,...,,:.````.,::,,,,:+,,::::,,,,:,``                    
``````,,,,,,,,,:,:+#::,,,....,,,,,,,,,:,,,,::;,,,,:::,,,:,.`                    
``````,,.,,.,,,,,:'#::,,,,....,,,...,,,,,,,:;,,,,.,::,,,,```                    
``````,..,.,,,:,,,;++:,,,,....,..,,,,,,,,,,:#,,,,..:::,,,`                      
``````,..,,,,,,,,,'+@':,,,......,.....,,,::+',,,,..::::,,.                      
``````...,,,,,,::,''#@;:,,,..........,,,::;#;,.,...,:::,,.                      
``````..,,,,,,,:::''##@;::,,,,........,,:'++:,.,...,,,:,,.`                     
`````...,,,,,,,::,''++##';:,,,,.......,:'':+,,.,..,,,;:,,.`                     
``````.,,,,,,,,::,''++##;'';:::,,,,,,,:'',,;.,,,..,..:,,,``                     
``````..,,,,,,::::;;'+++;,:''';;;:::;''':,,:.,...`,.,,,,,.`                    `
`````...,,,,,,:::;;'''+++:,.,;''''''''':,.,,,.,.``,.,,.::.``                    
`````...,,,,,,,::';''''+':,,...,,:;;:::,,.,...,..`,...;;;,.`        `           
`````...,,,,,,:::';;'''+';,,.....,,,,,,,,.,.,.:,..,.,;;;;:.``       `         ` 
`````...,.:,.,:,:';;;'''';:,.....,,,,,,,.....,,,....,,:;;;,.` ```             ` 
`````...,.:,,,::'';';''';;:,,.....,,,,,......,:,....,:,,,,,,,,:::::,`          `
````....,.:,,.,:'';'''''';;:,,....,,,,,,..,..::,,..,,,::,,,,,,,,,:::::.`       `
`````.,.,.,,,,,;'''''''';;;,,,.....,,,,,...,,+::,..,,,::,::::,::::::::::`      `
`````...,.::,,,,;;'''''';;::,,.....,,,,,...,:'::,..,,,,,,::,,,::::,,,::::,     `
`````.,,,.,:,::,,;;''''';;:,:,......,,,..,,.;':;:..,,,,,::::,,,:,,,,,,,:::.    `
`````.,,,,::,,:;,.,''''';;,,:,,.....,,,...,:;';;:,.,.;;::,,:::,,,,,,,,,,:::`  ``
`````.,,.,,:::;;',..,:;;,,,;:,,......,,..,,:;'';:,.,,`,,,,,,::::,,,,,,,,,:::  ``
`````.,,.,::::;;;',......,';::,,.....,,,.,::';';;:.,,,.,,,,,,:::,,,,,,,,,:::` ``
`````..,,,,:::;;;;';,.,,;;;:::,,......,,,,:;'';;;;.,:,,,,,:,,,:,:,,,,,.,,,::, ``
``````.,,,,:;:;;;;;';'';';;:::,,,,....,:,,;;;;';;;,,:,,,:::,,,,:,,,,,,,,,,,:; ``
``````.,,,,::;;;;;:;''';;;;::::::::,,,:,,,;;;;;';:,,:::::,,,,,,,:,,,,,,,,,,:: ` 
`````..,,,,.:::;;;:;;;;;;;;::,,:;;;,:,,:,:;:;:;';,,';,:,,,,,,,,,,,,,,,,,,,,::`  
`````..,,,,,.,::;;::;;;;::;;,,,::;;,,,,,,:;:::;;:,,;;;,,,,,,,,,,,::,,,,,,,,:::` 
`````..,:,,,,..,::;::;;;;:::::;;;:,,..,,,::::::;,,:;:::,,,,,::,,,:,,,,,,,,,,::` 
``````.,,,:,.,...:;::::::::::,,,,,..,..,,,,,,,,,,,;:::;:,,,,,:,,,,:::,,,,,,,::` 
``````.,,,,,.,,,:,,:;::::::::,,,:::,,...,,,....,,:::::;:,,,,,::,,,::::,,,,,,::``
`````.::,,,,,.,,,,:::;::::,,,,::,.,,::,,:,....,::;::::;:,,,,,::,:,::,:,,,,,,:::`
````.:,,,,,,,,,.,::,,::::,,:;;':,,::,::,,::::::::::,,:::,,,,,.:,,,:::.,,,,,,,::`
```.:,,,,,,,,.,:...,,,,,.,,:::,,::,,.::::,::,::::,:,,,,:,,,,,,.:,,::,:,:,,,,:::`
``.::,,,,,,,,,,,:,........,,,.,.,:,.,:,:::,:,,,,,:,:,,::,,,,::,,,,:::::::,,,,::`
``:,,,,,.,.,,,,,,,,,....,,,:::::,::,,.,:::::,,,,,.,,,::,,,,,::::,,:::;:::,,,:::,
`::,,,......,,,,,,,,,.`..,:::,,,,,,,,,.,,:::.,,.,,..,.:,,,,,:;,:,,,,,:::,,,,::::
::,,,,.......:,,,,,.....:::,::,,,,,,,,,.,,:,,,,,....,,...,,,:::,,:,:::;::,,::::;
::,,,.........:;:,,,,;:::::,,,,,,,,,,,,,,,,,,,,,,....,....,,:,,,,:,,:::;,,,,:::;
:,,,...........,:::::;::,,,,,,,,,,,,,..,,:,:,,,.....,.....,:,,,.:::,:::;.,,,:::;
,,,..............,,,,,:,,.,,,,,,....`.,,,,,:,,,:.........,::,,.,:,,:::;;..,,,::;
,,,.............,,,,,,,:,,..,,,,,....``..,;;:,,:,:,,.....:....,,,,,::::;..,,,::;
,,.......,.......,:,,,,,,,,..........`.,:;:::::,,::,,,.,:...,,,,,,,,:::;..,,,::;
,,................,:,,,.,.,,,...`......,,::::::::,::,:;,,,,,,,,,,,,,:::::.,,,::;
,........,,..,.....,:,,...`...........,,,,,::::::::,,,,,,,,,,,,,,,,,,,::;.,,,,:;
.......,,,.,,,,,....,;,...```.........,:,,,,::,:::;:,,,,,,,,,,,,,,,,,,,::.,,,,:;
.......,.,,,,,,,,,,.,,':,...`.....,``  `,,,,,,,:::;;,,,,,,....,,,,,,,,,::.,,,,:;
......,,,,,,,,,,,,,....,;;,,,,,::, `   `` `,,,,,:::;:,,,,........,,,,,,,,.,,,,::
....,,,,,,,,,,:,,,,,......,,,,...       ```` .,,,,::::,,,,.......,,,,,,:...,,,::
....,,,,,,,:::::,,,,............`         `  ` .,,,::::,,,........,,,,,....,',::
..,,,,,,,:::;;::,,,,...........`               ` .,,,:;:,,,.......,,,,.`...,#,,:
,.,,,,,,::;;;;::,,,,,,,,,,,...```              ``` .,,:;,,,........,,.```..:#,,:
..,,,,,::;;;;;;:::,,,,,,,,,,, ``     :###'`     ```` ,,::,,.......,,.```...#@,,:
.,,,,,,::;;;'+';;::,,,,,,,,,``` `  :########+. `  `````,:,,........``````.#@@,,:
.,,,,,,:;;;;';;'';::::,,,,,````` .#############'` ```````:,.......``````.#@@@;,:
,,,,,,::;;;';;;;;;::::::,,.`````##################.```````,......```````#@@@@;,:
,,,,,,::;;';;::::::::::::,````:##################@##'```````....```````@@@@@@;,,
,,,,,::;''+';;;;:::::::::````#################@#@##@##+``````````````,@@@@@@@;,,
,,,,:::'++++';;;;;:::::::``;####################@@#@##@#+```````````#@@@@@@@@;,,
,,,:::;+''++''';;;;;::::``#@##@################@@@@@##@#@@;```````,@@@@@@@@@@:,,
,,:::;++''++'+'';;;;;;;;;@@#@#####################@@@@@@@@@@;..`,#@@@@@@@@@@@:,,
:::;;'++''++'++'''';;;+@@@@@@@###################@@@@@@@##@@@#.###@@@@@@@@@@@:,,