I also thought it's 9219 based on trial and error of its perm. Oh
dear, 2 x 166 from BBdep is pwned. Then there's still this Hougang
one that we are crossing our fingers.
Come on, is this the "Spring Cleaning" leading
to Wright B9 arrival? 
the hougang one is 9400, as mentioned by somebody
that bus also lay-up already ar ?
