Dataset {
    Float32 P[P = 7];
    Float32 T[T = 12];
    Float32 X[X = 144];
    Grid {
     ARRAY:
        Float32 qa[T = 12][P = 7][X = 144];
     MAPS:
        Float32 T[T = 12];
        Float32 P[P = 7];
        Float32 X[X = 144];
    } qa;
} qa;