2137,2137,2136,2136,2138,2139,2139,2140,2139,2138,2137,2136,2135,2135,2133,2133,2132,2134,2134,2133,2132,2134,2135;900,899,899,898,896,896,895,895,894,894,893,894,894,893,893,894,896,897,898,898,899,900,901