Score: 9

    2  
    5 3
5 4 1 2
    3 4

Score: 9

  4 1 5
5 3 2 4
  1 5  

Score: 9

  4 5
  1 3
3 2 4
  5  
  1  

Score: 9

  5    
3 2 1 4
5 4 3  
1      

Score: 9

    5 3
5 4 1 2
2   3 4