between each of the regional offices and the numbers associated with each city are provided in the following table. where they should be located. Min s.t. Boston New York Philadelphia Baltimore Washington Richmond Raleigh Florence Savannah Jacksonville Tampa Miami x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12=0,1 between each of the regional offices and the numbers associated with each city are provided in the following table. where they should be located. Min s.t. Boston New York Philadelphia Baltimore Washington Richmond Raleigh Florence Savannah Jacksonville Tampa Miami x1,x2,x3,x4,x5,x6,x7,x8,x9,x10,x11,x12=0,1