Text this: Two-echelon vehicle routing problem for post-disaster aid

             ___      ______     ___     ______   
    ___     / _ \\   /_   _//   / _ \\  |      \\ 
   /   ||  | / \ ||    | ||    | / \ || |  --  // 
  | [] ||  | \_/ ||   _| ||    | \_/ || |  --  \\ 
   \__ ||   \___//   /__//      \___//  |______// 
    -|_||   `---`    `--`       `---`   `------`  
     `-`