2511,2512,2513,2514,2514,2515,2516,2517,2518,2519,2519,2518,2517,2517,2516,2514,2512,2511,2509,2509,2507,2508,2511;1210,1210,1209,1210,1211,1213,1215,1215,1214,1214,1215,1216,1216,1219,1221,1221,1222,1222,1219,1218,1214,1213,1211