2152,2151,2151,2152,2151,2150,2149,2147,2146,2145,2144,2144,2145,2145,2146,2147,2149,2149,2150,2151;900,899,898,897,896,896,895,895,895,896,896,897,898,899,899,900,900,901,901,901