2170,2171,2172,2172,2173,2173,2174,2174,2175,2176,2177,2177,2177,2177,2176,2176,2176,2176,2176,2175,2175,2174,2173,2172,2171,2171,2171,2170,2170,2170,2170,2170;883,883,883,882,882,881,881,880,880,880,880,881,882,883,883,884,885,886,887,887,888,888,888,888,888,887,886,886,885,884,883,883