MESH2D
NUM_MATERIALS_PER_ELEM 2
E3T       1       2       3       1       1 1.000000
E3T       2       4       5       3       1 1.000000
E3T       3       3       6       1       1 1.000000
E3T       4       9       7       5       2 0.000000
E3T       5       3       2       4       1 0.000000
E3T       6       7       3       5       1 0.000000
E3T       7       8       7       9       2 0.500000
E3T       8       8       6       7       2 0.500000
E3T       9       6       3       7       1 0.500000
ND        1  -22.842836  142.439019    1.000000
ND        2 -160.129301   10.671608    0.300000
ND        3   -9.735083    3.772791   -0.200000
ND        4  -40.779761 -125.235094    1.100000
ND        5  177.912748 -141.792255    0.800000
ND        6  174.463340  150.027718   -0.600000
ND        7  187.571093    3.772791   -1.200000
ND        8  335.895666   83.109190   -0.700000
ND        9  343.484365  -85.221953   -0.400000
NS   1   2   4  -5  "one"
NS   6   8   9  -5  "two"