total.rea
2                       spatial dimension
2                      	number of fields
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#    			comments:  
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Box 1                         							Channel
-100 -20                         						        Nelx  Nely Nelz
0.0    20.000   1.0               							x0  x1   ratio
0.0    8.0000   1.0 
v  ,E  ,A  ,v  ,  ,
t  ,E  ,A  ,t  ,  ,
Box 2
-30 -20
20.000 100.000   1.01
0.0    8.0000   1.0
E  ,O  ,A  ,v  ,  ,
E  ,O  ,A  ,t  ,  ,