26         for (int i = 0; i < colours ; i++ ){
 27             for (int j = 0; j < colours ; j++ ){
 28                 for (int k = 0; k < colours ; k++ ){
 29                     if (i!=rank && j!=rank && k!=rank && i!=j && i!=k && k!=j) {
 30                         Answer* answer = new Answer(colourList[rank],colourList[i],     colourList[j], colourList[k]) ;
 31                         this->comb.push_back(answer) ;
 32                     }
 33                 }
 34             }
 35         }
 36     }
 37 }