sequence supply = {461, 277, 356, 488,   393},
         demand = {278, 60, 461, 116, 1060},
         costs  = {{46, 74,  9, 28, 99},
                   {12, 75,  6, 36, 48},
                   {35, 199, 4,  5, 71},
                   {61, 81, 44, 88,  9},
                   {85, 60, 14, 25, 79}}