2143,2143,2141,2141,2140,2141,2141,2143,2145,2148,2149,2150,2153,2154,2155,2155,2156,2157,2155,2154,2152,2147,2146;1000,1001,1003,1004,1005,1007,1008,1009,1009,1010,1010,1011,1011,1008,1007,1006,1005,1002,1002,1003,1003,1002,1001