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 _    _      ___     __   __     ___      _  _   
| || | ||   / _ \\   \ \\/ //   / _ \\   | \| || 
| || | ||  | / \ ||   \   //   / //\ \\  |  ' || 
| \\_/ ||  | \_/ ||   / . \\  |  ___  || | .  || 
 \____//    \___//   /_//\_\\ |_||  |_|| |_|\_|| 
  `---`     `---`    `-`  --` `-`   `-`  `-` -`

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Text this: Optimal orientations of products of paths and cycles