1     10     14      9        0
      2     15     20     14        0
      3     18     13     17        0
      4      7     17     13        0
      5     17      9     14        0
      6     17     14     18        0
      7     13      6      7        0
      8      3     16      2        0
      9     13     19      6        0
     10     16     20      1        0
     11     10     11     14        0
     12      2     16      1        0
     13     14     11     15        0
     14     15     12      1        0
     15     21      4     19        0
     16      8      9     17        0
     17     16      3     21        0
     18     15     11     12        0
     19      5      6     19        0
     20      8     17      7        0
     21     16     21     20        0
     22     13     18     19        0
     23     21     18     20        0
     24      5     19      4        0
     25     20     18     14        0
     26      1     20     15        0
     27     21      3      4        0
     28     18     21     19        0