Dataset {
    Float32 Y[Y = 77];
    Float32 S[S = 420];
    Float32 L[L = 1];
    Grid {
     ARRAY:
        Float64 partial_X[L = 1][Y = 77][S = 420];
     MAPS:
        Float32 L[L = 1];
        Float32 Y[Y = 77];
        Float32 S[S = 420];
    } partial_X;
} partial_X;