540,544,546,552,553,556,556,556,555,555,556,557,557,556,554,552,552,550,547,546,544,543,542,542,542,542,541,541,541;874,873,872,871,872,876,877,879,881,883,885,886,888,889,891,891,892,890,888,888,890,890,887,886,884,882,880,878,876