a Gauss-Jordan elimináció:
2 2 3 1 0 0
1 -1 0 0 1 0
-1 2 1 0 0 1
2 2 3 1 0 0
0 -2 -3/2 -1/2 1 0
0 3 5/2 1/2 0 1
2 2 3 1 0 0
0 -2 -3/2 -1/2 1 0
0 0 1/4 -1/4 3/2 1
2 2 0 4 -18 -12
0 -2 0 -2 10 6
0 0 1 -1 6 4
2 0 0 2 -8 -6
0 1 0 1 -5 -3
0 0 1 -1 6 4
1 0 0 1 -4 -3
0 1 0 1 -5 -3
0 0 1 -1 6 4