Connection table for BWP
  29  31  46
 C
 N
 C
 C
 C
 C
 N
 C
 C
 C
 C
 C
 C
 C
 C
 C
 C
 C
 C
 O
 N
 N
BR
 C
 C
 N
 C
 C
 O
   1  20
   1  24
   2   3
   2   4
   3   6
   4   7
   4  22
   5   6
   5   7
   5  21
   6  23
   8   9
   8  12
   9  10
  10  11
  11  15
  11  21
  12  15
  13  14
  13  17
  14  16
  16  19
  16  22
  17  18
  17  20
  18  19
  24  25
  24  29
  25  26
  26  27
  26  28
  24   1  20  17 180.0   5.0
  20   1  24  25 180.0   5.0
   4   2   3   6   0.0   5.0
   3   2   4   7   0.0   5.0
   3   2   4  22 180.0   5.0
   2   3   6   5   0.0   5.0
   2   3   6  23 180.0   5.0
   2   4   7   5   0.0   5.0
  22   4   7   5 180.0   5.0
   7   4  22  16 180.0   5.0
   7   5   6   3   0.0   5.0
   7   5   6  23 180.0   5.0
  21   5   6   3 180.0   5.0
  21   5   6  23   0.0   5.0
   6   5   7   4   0.0   5.0
  21   5   7   4 180.0   5.0
  12   8   9  10   0.0   5.0
   9   8  12  15   0.0   5.0
   8   9  10  11   0.0   5.0
   9  10  11  15   0.0   5.0
   9  10  11  21 180.0   5.0
  10  11  15  12   0.0   5.0
  21  11  15  12 180.0   5.0
   8  12  15  11   0.0   5.0
  17  13  14  16   0.0   5.0
  14  13  17  18   0.0   5.0
  14  13  17  20 180.0   5.0
  13  14  16  19   0.0   5.0
  13  14  16  22 180.0   5.0
  14  16  19  18   0.0   5.0
  22  16  19  18 180.0   5.0
  13  17  18  19   0.0   5.0
  20  17  18  19 180.0   5.0
  13  17  20   1 180.0   5.0
  18  17  20   1   0.0   5.0
  17  18  19  16   0.0   5.0
   1  24  25  26 180.0   5.0
  24  25  26  27 180.0   5.0
   4   2   7  22   0.0   5.0
   5   6   7  21   0.0   5.0
   6   3   5  23   0.0   5.0
  11  10  15  21   0.0   5.0
  16  14  19  22   0.0   5.0
  17  13  18  20   0.0   5.0
  24   1  25  29  35.0   5.0
  26  25  27  28 -35.0   5.0