//which box is bigger?
//see if you are correct

forever
{
   paper 14

   //a corridor
   pen 21
   repeat A 68 78
   {
      line A 72 A 80
   }

   //the walls
   pen 100
   line 0 10 68 72
   line 0 11 68 73
   line 100 100 78 80
   line 0 100 68 80
   line 100 10 78 72
   line 100 11 78 73

   //the end of the corridor
   line 68 72 68 80
   line 68 80 78 80
   line 78 80 78 72
   line 78 72 68 72

   //the floor
   pen 52
   line 69 72 7 0
   line 70 72 18 0
   line 71 72 29 0
   line 72 72 40 0
   line 73 72 51 0
   line 74 72 60 0
   line 75 72 71 0
   line 76 72 82 0
   line 77 72 93 0

   //the boxes in the corridor
   command block X Y S P

   {
      pen P
      repeat A X (X + S)
      {
         line A Y A (Y + S)
      }
   }
   command outline X Y L P
   {
      pen P
      line X Y X (Y+L)
      line X (Y+L) (X+L) (Y+L)
      line (X+L) (Y+L) (X+L) Y
      line (x+L) Y X Y
   }

   //this box is bigger
   block 46 46 18 50
   outline 46 46 18 100
   //or is it?
   block   18 50
   outline   18 100

}