Dataset {
    Float32 Y[Y = 73];
    Int32 P[P = 12];
    Grid {
     ARRAY:
        Float64 CBTW[P = 12][Y = 73];
     MAPS:
        Int32 P[P = 12];
        Float32 Y[Y = 73];
    } CBTW;
} CBTW;