The distances between the cities are given in your arbitrary grid units, which may or may not be kilometers.

Chi Ciu Dur Mex Mon Mor Oax Pue San Vil

Chi $571950311585901069145812509131575$

Mex $115847569810643188310127253545$

Mon $5902033766435626911706393990$

Pue $12505198081277063132085338417$

San $9132494822533932585453385704$

After thinking about it for a while, your friend tells you that they may want to open exactly two DCs$.$ She wants these DCs to be located in two of the five candidate cities $($Chihuahua$,$ Mexico City, Monterrey, Puebla, San Luis Potosi$),$ but they should not be located in the same city. The plan would be to distribute all the goods