2174,2175,2177,2179,2181,2182,2182,2181,2182,2181,2180,2179,2178,2177,2175,2174,2173,2174,2174,2173,2172,2172;911,910,909,909,910,911,913,914,916,916,917,915,916,917,918,918,917,916,915,913,913,911