can you get a higher hourly rate than playing heads up

[FatalError]

I've been playing 2-4 HU lately to work on some experimental stuff, mostly trying to make the highly aggressive play i see at 25-50 and 50-100 NL work, and it's definately been working. I feel like against subpar opponents their chance of escaping a HU match with money without sitting out and leaving is almost 0. Is HU the most profitable BB/hr game out there or would 3 handed be even more profitable due to the additional leverage you get playing your button correctly.