OK, so, hmm how to explain...
basically...
when someone added more races to /tt, some old ones disappear
badlands a
badlands b
race 
race2
race3
....
raceX
Vinewood
VT1N1
Weedra
World_War_Ace
and when add some more races, last ones from list disappears
badlands a
badlands b
new_race1 <-- new added race no.1
new_race2 <-- new added race no.2 
new_race3 <-- new added race no.3
race 
race2
race3
....
raceX
Vinewood
               <-- VT1N1 disappears
               <-- Weedra disappears
               <-- World_War_Ace disappears