2501,2500,2503,2505,2506,2506,2507,2508,2509,2509,2510,2512,2512,2511,2510,2508,2507,2505,2502;1608,1607,1606,1605,1604,1603,1603,1602,1603,1605,1606,1607,1609,1610,1610,1609,1609,1610,1610