Yq_temp =

   -11     1     2    -1     0     0     0     0
     5    -6    -1     2     0     0     0     0
     1     1    -1     0     0     0     0     0
    -1     0     0     0     0     0     0     0
     0     1     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0
     0     0     0     0     0     0     0     0