2823,2824,2826,2827,2828,2829,2830,2832,2834,2835,2833,2831,2832,2834,2836,2838,2840,2839,2837,2834,2835,2830,2829,2828,2827,2824,2823,2821,2820,2821,2820,2820,2819,2820,2820,2821,2822,2822,2823;829,829,830,831,831,833,833,834,835,837,838,839,840,841,842,841,842,844,844,845,847,847,848,848,849,849,848,848,847,845,844,841,839,839,837,837,835,834,833