The Browner is in its own class of evil. I’ve never even made it half way across it. I designed that thing to have 8 layers of difficulty. The first one you contend with is that I built it at the top of a climb on an uphill slope with an off camber entry. Then it gets harder.
The Browner is named after Ray Brown who was the first one to clean it (YouTube video here). I’m the second. I’m particularly pleased to accomplish this on my 65th birthday.
Here’s my one-minute video. I only show two of my dozen+ failures: