This is how I would do it.
SWiM slimline dish. You will need to run 1 line to a SWiM 4( may require an SWiM 8) splitter at location 1. that feeds the HD and SD. then out of the SWiM 4 you have 4 outs, 1 hd 1 sd then a line going to the other side of house, where you have a second SWiM 4...