"Example 1: mDim = 3, nBLOCK = 1, {2}"
   3  =  mDIM
   1  =  nBLOCK
   2  = bLOCKsTRUCT
{48, -8, 20}
{ {-11,  0}, { 0, 23} }
{ { 10,  4}, { 4,  0} }
{ {  0,  0}, { 0, -8} }
{ {  0, -8}, {-8, -2} }