2139,2139,2140,2140,2139,2140,2142,2143,2144,2146,2147,2149,2150,2151,2150,2149,2150,2149,2149,2147,2146,2145,2145,2143,2140;901,902,905,906,907,908,907,906,908,908,907,908,907,905,904,902,901,901,900,900,899,899,898,899,900