The complete DDS:
Dataset {
    Structure {
        Int32 j;
        Int32 k;
    } s1;
    Structure {
        Int32 l[100];
        Int32 m[100];
        Int32 p;
    } s2[10];
    Structure {
        Int32 n;
        Int32 o;
    } s3;
} test2;
The data:
Structure {
    Int32 l[6];
    Int32 m[5];
} s2[3] = {{ {123456789, 123456789, 123456789, 123456789, 123456789, 123456789}, {123456789, 123456789, 123456789, 123456789, 123456789} }, { {123456789, 123456789, 123456789, 123456789, 123456789, 123456789}, {123456789, 123456789, 123456789, 123456789, 123456789} }, { {123456789, 123456789, 123456789, 123456789, 123456789, 123456789}, {123456789, 123456789, 123456789, 123456789, 123456789} }};