21  t2_1(
i, 
j) = t2s_2(
i, 
k) * t2_2(
k, 
j);
 
   23                  - (t2s_2(0, 0) * t2_2(0, 0) + t2s_2(0, 1) * t2_2(1, 0)
 
   24                     + t2s_2(0, 2) * t2_2(2, 0)),
 
   25                "T2s(i,k)*T2(k,j)(0,0)");
 
   27                  - (t2s_2(0, 0) * t2_2(0, 1) + t2s_2(0, 1) * t2_2(1, 1)
 
   28                     + t2s_2(0, 2) * t2_2(2, 1)),
 
   29                "T2s(i,k)*T2(k,j)(0,1)");
 
   31                  - (t2s_2(0, 0) * t2_2(0, 2) + t2s_2(0, 1) * t2_2(1, 2)
 
   32                     + t2s_2(0, 2) * t2_2(2, 2)),
 
   33                "T2s(i,k)*T2(k,j)(0,2)");
 
   35                  - (t2s_2(1, 0) * t2_2(0, 0) + t2s_2(1, 1) * t2_2(1, 0)
 
   36                     + t2s_2(1, 2) * t2_2(2, 0)),
 
   37                "T2s(i,k)*T2(k,j)(1,0)");
 
   39                  - (t2s_2(1, 0) * t2_2(0, 1) + t2s_2(1, 1) * t2_2(1, 1)
 
   40                     + t2s_2(1, 2) * t2_2(2, 1)),
 
   41                "T2s(i,k)*T2(k,j)(1,1)");
 
   43                  - (t2s_2(1, 0) * t2_2(0, 2) + t2s_2(1, 1) * t2_2(1, 2)
 
   44                     + t2s_2(1, 2) * t2_2(2, 2)),
 
   45                "T2s(i,k)*T2(k,j)(1,2)");
 
   47                  - (t2s_2(2, 0) * t2_2(0, 0) + t2s_2(2, 1) * t2_2(1, 0)
 
   48                     + t2s_2(2, 2) * t2_2(2, 0)),
 
   49                "T2s(i,k)*T2(k,j)(2,0)");
 
   51                  - (t2s_2(2, 0) * t2_2(0, 1) + t2s_2(2, 1) * t2_2(1, 1)
 
   52                     + t2s_2(2, 2) * t2_2(2, 1)),
 
   53                "T2s(i,k)*T2(k,j)(2,1)");
 
   55                  - (t2s_2(2, 0) * t2_2(0, 2) + t2s_2(2, 1) * t2_2(1, 2)
 
   56                     + t2s_2(2, 2) * t2_2(2, 2)),
 
   57                "T2s(i,k)*T2(k,j)(2,2)");
 
   58  t2_1(
i, 
j) = t2_2(
k, 
j) * t2s_2(
i, 
k);
 
   60                  - (t2s_2(0, 0) * t2_2(0, 0) + t2s_2(0, 1) * t2_2(1, 0)
 
   61                     + t2s_2(0, 2) * t2_2(2, 0)),
 
   62                "T2(k,j)*T2s(i,k)(0,0)");
 
   64                  - (t2s_2(0, 0) * t2_2(0, 1) + t2s_2(0, 1) * t2_2(1, 1)
 
   65                     + t2s_2(0, 2) * t2_2(2, 1)),
 
   66                "T2(k,j)*T2s(i,k)(0,1)");
 
   68                  - (t2s_2(0, 0) * t2_2(0, 2) + t2s_2(0, 1) * t2_2(1, 2)
 
   69                     + t2s_2(0, 2) * t2_2(2, 2)),
 
   70                "T2(k,j)*T2s(i,k)(0,2)");
 
   72                  - (t2s_2(1, 0) * t2_2(0, 0) + t2s_2(1, 1) * t2_2(1, 0)
 
   73                     + t2s_2(1, 2) * t2_2(2, 0)),
 
   74                "T2(k,j)*T2s(i,k)(1,0)");
 
   76                  - (t2s_2(1, 0) * t2_2(0, 1) + t2s_2(1, 1) * t2_2(1, 1)
 
   77                     + t2s_2(1, 2) * t2_2(2, 1)),
 
   78                "T2(k,j)*T2s(i,k)(1,1)");
 
   80                  - (t2s_2(1, 0) * t2_2(0, 2) + t2s_2(1, 1) * t2_2(1, 2)
 
   81                     + t2s_2(1, 2) * t2_2(2, 2)),
 
   82                "T2(k,j)*T2s(i,k)(1,2)");
 
   84                  - (t2s_2(2, 0) * t2_2(0, 0) + t2s_2(2, 1) * t2_2(1, 0)
 
   85                     + t2s_2(2, 2) * t2_2(2, 0)),
 
   86                "T2(k,j)*T2s(i,k)(2,0)");
 
   88                  - (t2s_2(2, 0) * t2_2(0, 1) + t2s_2(2, 1) * t2_2(1, 1)
 
   89                     + t2s_2(2, 2) * t2_2(2, 1)),
 
   90                "T2(k,j)*T2s(i,k)(2,1)");
 
   92                  - (t2s_2(2, 0) * t2_2(0, 2) + t2s_2(2, 1) * t2_2(1, 2)
 
   93                     + t2s_2(2, 2) * t2_2(2, 2)),
 
   94                "T2(k,j)*T2s(i,k)(2,2)");