Where do you find buizel in Pokemon SoulSilver?

It's impossible to find Buizel in Soulsilver.
on thurs. there is something called sinnoh sound if u put on the pokegear radio (top left) it will talk about sinnoh sound play the sinnoh sound where the certain Pokemon are.

buizel is at: routes 6,9,10,13,21,22,24,25,26,27,28,30,31,32,35,42,43,44,45,47, ruins of alph, and mt silver