begin
PatchMesh ................... Info
"P"
[ Data Array ... ]
end

##</code><code>##

__DATA__
PatchMesh "bilinear" 123 "periodic" 321 "nonperiodic"
"P" 
  [ 1 2 3
    4 5 6
    ... ]

##</code><code>##

next do:
PatchMesh "bilinear" 123 "periodic" 321 "nonperiodic"
...
next do:
PatchMesh "bilinear" 123 "periodic" 321 "nonperiodic"
...

end of line.

##</code><code>##

@GeometryGroup = { patchmesh1, patchmesh2 ...... }