n_res = 4;
rc = [ 13, 13, 12, 15 ];
n_tasks = 30;
d = [ 10, 4, 1, 3, 5, 10, 1, 4, 6, 8, 7, 7, 4, 3, 10, 3, 4, 3, 7, 5, 1, 10, 8, 1, 6, 4, 7, 6, 9, 4 ];
rr = [| 5, 10, 5, 0, 3, 0, 0, 5, 1, 2, 0, 10, 0, 9, 3, 10, 0, 6, 0, 0, 2, 0, 1, 1, 0, 0, 0, 0, 0, 9
      | 0, 0, 0, 0, 0, 0, 4, 0, 4, 0, 10, 0, 6, 0, 5, 4, 1, 6, 6, 0, 8, 0, 0, 0, 3, 0, 9, 7, 0, 0
      | 0, 5, 1, 10, 0, 5, 0, 0, 4, 0, 7, 0, 0, 3, 0, 3, 0, 0, 0, 5, 2, 0, 8, 0, 0, 4, 0, 0, 4, 1
      | 8, 0, 0, 5, 0, 0, 0, 7, 8, 1, 6, 5, 0, 10, 0, 10, 1, 1, 0, 0, 1, 1, 2, 8, 8, 0, 0, 0, 4, 7 |];
suc = [ { 11, 22 },
       { 4, 7, 16 },
       { 5, 18, 23 },
       { 6, 9, 25 },
       { 15, 21, 27 },
       { 8 },
       { 10 },
       { 23 },
       { 12, 21 },
       { 14, 24 },
       { 25 },
       { 13 },
       { 19, 27 },
       { 23 },
       { 20 },
       { 17 },
       { 26 },
       { 19, 20, 29 },
       { 28 },
       { 22 },
       { 24, 29 },
       { 26 },
       { 26 },
       { 30 },
       { 28 },
       { 28 },
       { 30 },
       {  },
       {  },
       {  } ];