2D finite element data visualization

Hi,
I have a data file showing the x and y coordinates of the points with a connectivity list followed. The data is in .tec format and in the header I have,
VARIABLES = “X”,“Y”
ZONE N = 52, E=51, F=FEPOINT, ET=
coordinates as x and y here
connectivity list here.

My question is that I do not know what should I write as the value for ET. I tried several options but I the best I got was the points themselves and the connecting lines were not plotted.
Do you have any suggestions for plotting the data correctly?

Thanks

This question does not seem related to ParaView ?