from_stop_id,to_stop_id,transfer_type,min_transfer_time
2505786,2505786,2,2700
2505788,2505788,2,2700
2505788,2506537,2,2700
2505790,2506403,2,2700
2505792,2505792,2,2700
2505813,2505813,2,2700
2505864,2505864,0,
2505865,2505865,0,
2505869,2505869,0,
2505870,2505870,0,
2505914,2505914,0,
2505915,2505915,0,
2506403,2505790,2,2700
2506403,2506403,2,2700
2506537,2505788,2,2700
2506537,2506537,2,2700
