2871,2872,2872,2873,2873,2874,2874,2875,2875,2875,2874,2874,2873,2873,2871,2871,2869,2869,2868,2868,2868,2867,2865,2865,2864,2864,2862,2862,2862,2863,2863,2865,2865,2865,2866,2868,2869,2869;652,652,651,651,648,648,646,646,645,644,644,643,643,644,644,643,643,642,642,641,640,640,640,641,641,642,642,643,644,644,645,645,650,651,651,651,651,652