5
N01    3  0.01000 0    1.00000    2.00000                             1
  4 1  20  10
  3 1  20  10
  5 1  20   0
N02    3  0.01000 0    0.00000    1.00000                             2
  4 1  20   7
  3 1  20  10
  5 1  20   5
N03    3  0.01000 0    2.00000    1.00000                             3
  1 1  20  10
  2 1  20  10
  5 1  20  10
N04    2  0.01000 0    0.50000    1.50000                             4
  2 1  20   7
  1 1  20  10
N05    3  0.01000 0    1.00000    0.00000                             5
  1 1  20   0
  2 1  20   5
  3 1  20  10