Dataset {
    Int32 P[P = 8];
    Float32 Y[Y = 74];
    Grid {
     ARRAY:
        Float64 int_dY[P = 8][Y = 74];
     MAPS:
        Int32 P[P = 8];
        Float32 Y[Y = 74];
    } int_dY;
} int_dY;