2473,2475,2476,2478,2480,2481,2483,2484,2486,2488,2489,2491,2492,2492,2492,2493,2492,2490,2489,2488,2486,2485,2483,2481,2480,2477,2476,2475,2473,2473;900,899,899,900,900,900,900,899,899,899,899,898,897,896,895,894,893,892,891,890,890,891,891,891,892,893,893,895,896,898