link table
18.700417	28.728132	1748340.727350	757455.571354
14.513584	5.771060	1745473.277109	746083.667810
1.479325	29.355108	1739686.353344	758368.956373
1.590944	5.038832	1738990.463725	746155.448817
26.433641	4.834790	1751403.633605	745199.335100
26.979275	27.834569	1752498.536404	756739.439712
17.351734	21.412198	1747420.973110	753827.751145
4.073061	18.056036	1740619.365070	752584.016811
26.131652	17.654105	1751731.661910	751636.749216