2828,2829,2829,2829,2830,2830,2830,2829,2828,2828,2826,2825,2824,2824,2823,2823,2821,2820,2819,2819,2818,2818,2819,2819,2820,2820,2820,2821,2823,2823,2824,2824,2826,2826,2828;643,643,644,645,645,649,650,650,650,651,651,651,651,650,650,648,648,648,648,647,647,646,646,644,644,642,641,641,641,642,642,643,643,644,644