Score: 15

    7 2  
3 4 6 5 7
6 1 2 3 1
  5 4 7  



Score: 15

6 1 4    
2 7 6 3 1
3 4 5 7  
5 2 1    



Score: 15

  1 7    
7 2 6    
4 3 1 5 7
2 5 4 6 3



Score: 16

    2      
1 6 3 7 6 2
7 4 1 2 5  
  3 5 4 7  



Score: 61

             5  9  8  1  9
      10 14  8  6 10  7   
          9  3  7  9  2   
      11  4  2  8    14  7
    6  2  5  1  3 13 14  1
12  1 10  3  4  6 11 12   
 8 11  4 11  7  5 10 13   
13  9 12  1 12 11 12  2   
 7 14  6 13  5 14  3