edge_id,source_neuron_idx,target_neuron_idx,raw_count,source_body_id,target_body_id
1337065,1197,133666,104,11289,527577
1467355,1381,1511,235,11478,11620
1559765,1511,1197,226,11620,11289
20992891,133666,82312,43,527577,109321