2531,2531,2532,2533,2533,2532,2531,2528,2527,2526,2525,2525,2526,2526,2526,2527,2528,2530,2531,2532,2533,2534,2535,2533,2532;917,918,920,921,922,924,924,922,921,918,917,916,915,913,912,911,911,911,912,912,913,914,915,916,917