Load this, select 'General Broadcast', then on the right hand side in the "Swap Jacobian Lens Readout", where it's swapping "France" for "China", replace "China" with "Brazil" then do the swap. Then watch an LLM's break itself...
The J-lens browser tool on Neuronpedia is really well done, you should give it a try
neuronpedia.org
Jacobian Lens – Qwen3.6-27B
Revealing a Global Workspace in Language Models