2639,2641,2639,2638,2637,2636,2635,2636,2638,2639,2639,2640,2642,2644,2645,2646,2648,2649,2648,2646,2645,2644,2643,2642,2640;852,847,847,848,848,848,845,843,842,840,838,836,836,836,838,839,839,840,845,846,848,850,851,851,852