The complete DDS:
Dataset {
    Sequence {
        Int32 i;
        Int32 j;
    } s;
} testa;
The data:
Sequence {
    Int32 i;
    Int32 j;
} s = { { 32, 32 }, { 1024, 1024 }, { 32768, 32768 }, { 1048576, 1048576 } };