17
        17 
        1         3         3      1 SITE:Well-A (MNW!)        
        2         3         3      2             
        1         3         6      3 SITE:Single1           
        1         3         9      4 SITE:Single2           
        1         3        12      5 SITE:Well-B (MNW!)      
        2         3        12      6   
        1         6         3      7 SITE:Single3           
        1         6         6      8 SITE:Single4           
        1         6         9      9 SITE:Single5           
        1         6        12      10 SITE:Single6           
        1         9         3      11 SITE:Single7           
        1         9         6      12 SITE:Single8           
        1         9         9      13 SITE:Single9           
        1         9        12      14 SITE:Single10           
        2        15         9      15 SITE:Single11
        2        13         7      16 SITE:Single12
        1        18         4      17 SITE:Single13