channel_groups = { 4: { "channels": [ 30, 16, 31, 17, 22, 18, 21, 20], "graph": [ (30, 16), (16, 31), (31, 17), (17, 22), (22, 18), (18, 21), (21, 20), (30, 31), (16, 17), (31, 22), (17, 18), (22, 21), (18, 20), (30, 17), (16, 22), (31, 18), (17, 21), ], "geometry": { 30: [-20, -10], 16: [20, -20], 31: [-20, -30], 17: [20, -40], 22: [-20, -50], 18: [20, -60], 21: [-20, -70], 20: [20, -80], }, }, }