I need to add cells which only have reference to another eg:

PNS Kilbirnie 2.0
NW Newtown 1.0
NW Island Bay 1.5
NW Metro 1.0
PNS Kilbirnie 1.0


eg: Need to add only the "PNS Kilbirnie" totals but these are also in other
columns similar to above. At the moment these two columns are A & B, then I
need to also add the Kilbirnie from column C & D as per above
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Shirl, NZ