3169,3169,3171,3171,3174,3174,3178,3179,3180,3180,3181,3181,3182,3182,3183,3183,3183,3183,3181,3181,3179,3179,3178,3178,3177,3177,3176,3176,3170,3170,3169,3169,3168,3167,3167,3168,3168;641,638,638,639,639,638,638,638,638,639,639,641,641,642,642,643,644,646,646,647,647,648,648,647,647,646,646,645,645,644,644,643,643,643,642,642,641