Dataset {
    Float32 X[X = 144];
    Float32 P[P = 13];
    Grid {
     ARRAY:
        Float64 int_dP[P = 13][X = 144];
     MAPS:
        Float32 P[P = 13];
        Float32 X[X = 144];
    } int_dP;
} int_dP;