Dataset {
    Structure {
        Int32 i;
        Int32 j;
    } s[dim1 = 5];
    Structure {
        Int32 i;
        String a[3];
    } t[dim1 = 5];
    Structure {
        Int32 i;
        String a[3];
    } u[dim1 = 5][dim2 = 3];
    Structure {
        Int32 i;
        String a[3];
        Structure {
            Int32 i;
            String a[3];
        } w[dim1 = 5][dim2 = 3];
    } v[dim1 = 5][2];
} DMR_2.4;
