bc2d_1.in

 2D BC file for multi-block mesh:  RAE2822
 # Blocks
          3
 Block            1
 Subface
  4
 f_no, face, istart,iend, jstart, jend,  neighb, subface orient
     1     1     1     1     1    65    -20     0     0
     2     2     1    33     1     1     3      2     3
     3     3     33   33     1     65    2      1     2
     4     4     1    33     65    65   -20     0     0
 Block            2
 Subface
  4
 f_no, face, istart,iend, jstart, jend,  neighb, subface orient
     1     1     1    1      1    65     1     3     2
     2     2     1    305    1    1     -10    0     0
     3     3     305  305    1   65      3     1     2
     4     4     1    305    65  65     -20    0     0
 Block            3
 Subface
  4
 f_no, face, istart,iend, jstart, jend,  neighb, subface orient
     1     1     1    1     1    65       2     3     2
     2     2     1    33    1     1       1     2     3
     3     3     33   33    1    65      -20    0     0
     4     4     1    33    65   65      -20    0     0

# orient=2 ËłĐňŁŹĆäËűÄćĐň