libigl_Martin/examples/bbw/examples/brick.tgf

   1          4        0.5        0.5 6.9532423e-310 6.9532423e-310 6.9532423e-310          1          1          1          0          0          0          1      4.125     1.1875        1.5          0    1 
   2          0        0.5        0.5 9.8813129e-324          0 2.1219958e-314          1          1          1          0          0          0          1 0.040798319 0.48263485  3.1593933          0    3 
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