2938,2939,2939,2939,2938,2938,2938,2937,2937,2936,2935,2935,2934,2934,2933,2933,2931,2931,2929,2929,2929,2929,2930,2930,2930,2931,2933,2933,2936,2936,2937;637,637,636,635,635,634,633,633,632,632,632,631,631,632,632,633,633,634,634,635,636,637,637,639,640,640,640,639,639,637,637