I am trying to put in a Distant Steering Code of 3. When I go into ld 20 and prt ludn, it appears 3000, 3001, 3003, 3004, 3005, 3006, 3007, 3008, and 3009 are used. I tried to prt dnb on each of those and nothing comes up. I checked the park prefix and it is not attached to one of those. I...