For sv10
SBS9388Z mayb the final replacement bus after SBS9442A,SBS9492E for
the departed buses, SBS1911R, SBS1955P n SBS2626H for sv175
SBS9236D is the additional DD after sv147 converted to WAB
svc.
SBS63U as mentioned earlier spotted frequentli on sv32 PERm
SBS9421K mayb out of sv80 to
sv197
SBS2759H IS NOT sv10e coz it's on it's morning shift twds Kent
Ridge at 0638hrs opp Katong Shopping Ctr and again 1825hrs twds
Kent Ridge for evening.
The sv10e PERM buses are SBS2805H, SBS2699Y SBS2806E/SBS2827U