2210,2211,2211,2211,2213,2215,2216,2217,2218,2219,2219,2221,2223,2224,2222,2219,2218,2214,2213,2213;847,848,849,850,850,849,847,846,846,845,844,844,844,843,841,841,839,841,844,846