3219,3219,3219,3220,3222,3222,3225,3225,3234,3234,3234,3233,3233,3231,3231,3231,3228,3228,3226,3226,3222,3221,3221,3220,3220,3219,3219,3219;647,648,649,649,649,648,648,647,647,646,644,644,643,643,642,641,641,640,640,639,639,639,640,640,641,641,644,645