link table
15.653502	13.596902	1765561.989312	748403.791842
2.969558	26.107680	1759791.517088	755267.650264
11.375052	29.254475	1764167.733168	756470.650810
22.805947	19.220009	1769444.732924	750885.225700
5.137791	17.431319	1760490.620951	750853.059865
16.459768	22.729579	1766424.486382	752950.627355