$coord
    0.00000000000000      0.00000000000000      0.00000000000000      al
    1.55314719979564      2.69012986167938      0.00000000000000      f
    1.55314719979564     -2.69012986167938      0.00000000000000      f
   -3.10629439959128      0.00000000000000      0.00000000000000      f
$end
