2921,2921,2921,2920,2919,2919,2916,2916,2915,2915,2914,2914,2912,2912,2910,2910,2910,2910,2909,2909,2909,2909,2910,2911,2912,2914,2914,2915,2915,2918,2918,2919,2919;648,647,646,646,646,645,645,644,644,645,645,646,646,647,647,648,649,651,651,652,653,654,654,654,654,654,652,652,651,651,650,650,648