data;
set ORIG := Coullard Daskin Hazen Hopp Iravani Linetsky 
            Mehrotra Nelson Smilowitz Tamhane White ;

set DEST := C118 C138 C140 C246 C250 C251 D237 D239 D241 M233 M239;

param supply default 1 ;

param demand default 1 ;

param cost:
          C118 C138 C140 C246 C250 C251 D237 D239 D241 M233 M239 :=
 Coullard   6    9    8    7   11   10    4    5    3    2    1
 Daskin    11    8    7    6    9   10    1    5    4    2    3
 Hazen      9   10   11    1    5    6    2    7    8    3    4
 Hopp      11    9    8   10    6    5    1    7    4    2    3
 Iravani    3    2    8    9   10   11    1    5    4    6    7
 Linetsky  11    9   10    5    3    4    6    7    8    1    2
 Mehrotra   6   11   10    9    8    7    1    2    5    4    3
 Nelson    11    5    4    6    7    8    1    9   10    2    3
 Smilowitz 11    9   10    8    6    5    7    3    4    1    2
 Tamhane    5    6    9    8    4    3    7   10   11    2    1
 White     11    9    8    4    6    5    3   10    7    2    1 ;