Solution 1
Time: 0
----------------------------------------
    Bono |                    |
The Edge |                    |
   Larry |                    |
    Adam |                    |
----------------------------------------
Time: 2
----------------------------------------
    Bono |                    |
The Edge |                    |
         |                    | Larry
         |                    | Adam
----------------------------------------
Time: 3
----------------------------------------
    Bono |                    |
The Edge |                    |
         |                    | Larry
    Adam |                    |
----------------------------------------
Time: 13
----------------------------------------
         |                    | Bono
         |                    | The Edge
         |                    | Larry
    Adam |                    |
----------------------------------------
Time: 15
----------------------------------------
         |                    | Bono
         |                    | The Edge
   Larry |                    |
    Adam |                    |
----------------------------------------
Time: 17
----------------------------------------
         |                    | Bono
         |                    | The Edge
         |                    | Larry
         |                    | Adam
----------------------------------------
Solution 2
Time: 0
----------------------------------------
    Bono |                    |
The Edge |                    |
   Larry |                    |
    Adam |                    |
----------------------------------------
Time: 2
----------------------------------------
    Bono |                    |
The Edge |                    |
         |                    | Larry
         |                    | Adam
----------------------------------------
Time: 4
----------------------------------------
    Bono |                    |
The Edge |                    |
   Larry |                    |
         |                    | Adam
----------------------------------------
Time: 14
----------------------------------------
         |                    | Bono
         |                    | The Edge
   Larry |                    |
         |                    | Adam
----------------------------------------
Time: 15
----------------------------------------
         |                    | Bono
         |                    | The Edge
   Larry |                    |
    Adam |                    |
----------------------------------------
Time: 17
----------------------------------------
         |                    | Bono
         |                    | The Edge
         |                    | Larry
         |                    | Adam
----------------------------------------