2623,2623,2622,2624,2625,2629,2631,2630,2630,2631,2632,2635,2639,2640,2639,2640,2642,2643,2642,2641,2638,2637,2637,2635,2634,2631,2629,2627,2626,2624;869,867,866,865,864,863,862,861,860,859,857,856,854,856,858,859,859,859,862,863,864,865,866,867,868,868,869,869,870,869