874,875,876,876,877,878,878,879,880,880,881,882,882,883,883,884,884,884,883,883,882,882,881,881,880,879,878,877,877,876,875,875,874,874,874,874,874,874;472,472,472,471,471,471,470,470,470,471,471,471,472,472,473,473,474,475,475,476,476,477,477,478,478,478,478,478,477,477,477,476,476,475,474,473,472,472