SDS is chunked
Chunk's dimensions 3x2
 1 1 2 2
 1 1 2 2
 1 1 2 2
 3 3 0 4
 3 3 0 4
 3 3 0 4
 0 0 6 6
 5 5 6 6
 0 0 6 6
 Chunk (2,0) 
 0 0
 5 5
 0 0
 Chunk (1,1) 
 0 4
 0 4
 0 4