The room is centered around the origin (0, 0, 0). A lot of cat boxes and other dev rooms with locs written on the walls are -- it's a natural place to start at if you're opening the zone up in a viewer or otherwise entering it in an unguided way.
EQEmu #zone command sends the dev/GM using it to the zone's safe spot by default, but early EQ devs might not have had that luxury, I guess.
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