2512,2511,2509,2507,2505,2504,2503,2502,2501,2501,2501,2502,2504,2506,2506,2505,2506,2508,2509,2511;993,992,991,990,991,992,992,994,995,996,999,1000,1000,999,998,997,996,995,994,994