2181,2183,2182,2181,2182,2182,2184,2185,2186,2189,2190,2191,2190,2191,2191,2190,2189,2187,2184,2183,2183,2182,2182;918,917,916,914,913,911,912,912,911,912,913,917,918,920,921,922,921,921,922,922,921,920,919