2254,2255,2255,2256,2256,2257,2258,2258,2259,2260,2260,2261,2261,2260,2259,2258,2258,2257,2256,2256,2255,2255,2254,2254,2253,2254,2254,2253;990,991,992,993,994,995,995,996,996,995,994,994,996,997,999,999,1000,1000,999,998,997,996,996,995,994,994,992,991