set ORIG := 
Mueller
Gonzales
Cheng
Rodriguez
Bush
Thatcher
Mitterand
Hashimoto ;

set DEST := 
DE_Wolfsburg
MX_Puebla
CN_Shanghai
ES_Barcelona
US_Chicago
UK_London
FR_Paris
JP_Tokyo;

param supply default 1 ;

param demand default 1 ;

param T=4;

param cost:
	DE_Wolfsburg	MX_Puebla	CN_Shanghai	ES_Barcelona	US_Chicago	UK_London	FR_Paris	JP_Tokyo:=
Mueller	1	8	5	3	1	2	4	7
Gonzales	2	1	7	3	4	5	8	6
Cheng	7	8	1	6	2	3	5	4
Rodriguez	2	6	7	1	5	4	3	8
Bush	3	4	8	5	1	2	7	6
Thatcher	2	6	8	4	3	1	5	7
Mitterand	2	6	5	3	7	8	1	4
Hashimoto	3	8	5	6	2	4	7	1 ;