3171,3171,3170,3169,3167,3167,3166,3166,3163,3163,3162,3162,3162,3163,3163,3164,3164,3164,3165,3166,3166,3170,3170,3174,3174,3175,3175,3176,3176,3177,3177,3176,3176,3173,3173;677,678,678,678,678,677,677,676,676,675,675,674,673,673,672,672,671,670,670,670,669,669,668,668,669,669,670,670,673,673,675,675,676,676,677