1 -556909.5270 -1173734.7825 
2 -556912.0676 -1173734.2300 
3 -556912.8113 -1173737.6501 
4 -556910.2706 -1173738.2025 
5 -556912.7138 -1173739.5552 
6 -556916.6225 -1173738.7053 
7 -556916.4717 -1173738.0119 