i want to remove headline

TITLE = "Water Wurface Elevation" VARIABLES = "X", "Y", "WS" Zone N= 89668, E= 22417, DT=(DOUBLE DOUBLE SINGLE), F=FEPOINT, ET=QUADRILATERAL, T="Time 45.959 Days"

                                                    1)
 395000  3500000 -1.525412 
 395000  3505000 -1.525412 
 400000  3505000 -1.525412 
 400000  3500000 -1.525412 
 400000  3500000 -1.524793 
 400000  3505000 -1.524793 
 405000  3505000 -1.524793 
 405000  3500000 -1.524793 
      ......
                                   2)
 1  2  3  4 
 5  6  7  8 
 9  10  11  12 
 13  14  15  16
....

89657 89658 89659 89660

89661 89662 89663 89664

89665 89666 89667 89668

                                                 3)

Zone N= 89668, E= 22417, D=(1,2), DT=(DOUBLE DOUBLE SINGLE), F=FEPOINT, ET=QUADRILATERAL, T="Time 45.979 Days"

                                                4)
-1.277914 
-1.277914 
-1.277914 
-1.277914 
-1.274855 
-1.274855 
...
                          5)

1 2 3 4

 5  6  7  8 

 9  10  11  12 

 13  14  15  16
....

89657 89658 89659 89660

89661 89662 89663 89664

89665 89666 89667 89668

                                   6)

this file dat

i wand to remove 1), 3), 4), 6)

so my final output dat

x y z (2) z1(5) 4 rows (attach file)

please help me bb