mask	x	y	dln9476331lc
0	23710.79025	396859.92632	0
0	27955.96225	396859.92632	0.2530461
0	29017.25525	395798.63332	0.4151559
0	29017.25525	394737.34032	2.826168
0	19465.61825	393676.04732	0
<snip>