14    'nports' = number of boundary port sections
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
 154    'ifport' = first i-index
 159    'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
 163    'ifport' = first i-index
 960    'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
 988    'ifport' = first i-index
1134     'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1136    'ifport' = first i-index
1156    'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1169    'ifport' = first i-index
1185    'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1190    'ifport' = first i-index
1192    'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1205    'ifport' = first i-index
1207    'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   1    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1210    'ifport' = first i-index
1275    'ilport' = last  i-index (=ifport for east/west port)
 383    'jfport' = first j-index
 383    'jlport' = last  j-index (=jfport for north/south port)
   2    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
   8    'ifport' = first i-index
1108    'ilport' = last  i-index (=ifport for east/west port)
   2    'jfport' = first j-index
   2    'jlport' = last  j-index (=jfport for north/south port)
   2    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1215    'ifport' = first i-index
1275    'ilport' = last  i-index (=ifport for east/west port)
   2    'jfport' = first j-index
   2    'jlport' = last  j-index (=jfport for north/south port)
   3    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1276    'ifport' = first i-index
1276    'ilport' = last  i-index (=ifport for east/west port)
   2    'jfport' = first j-index
  25    'jlport' = last  j-index (=jfport for north/south port)
   3    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1276    'ifport' = first i-index
1276    'ilport' = last  i-index (=ifport for east/west port)
 263    'jfport' = first j-index
 342    'jlport' = last  j-index (=jfport for north/south port)
   3    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1276    'ifport' = first i-index
1276    'ilport' = last  i-index (=ifport for east/west port)
 344    'jfport' = first j-index
 355    'jlport' = last  j-index (=jfport for north/south port)
   3    'kdport' = port orientation (1=N, 2=S, 3=E, 4=W)
1276    'ifport' = first i-index
1276    'ilport' = last  i-index (=ifport for east/west port)
 359    'jfport' = first j-index
 382    'jlport' = last  j-index (=jfport for north/south port)