mat3	--	Ill-conditioned	matrix.
22	complex
1	1	0.0201303	0
1	6	-0.0108325	0
1	19	-0.00992221	0
2	2	0	0.00196826
2	6	0	-7.00819e-05
2	16	0	-0.000149258
3	3	0.00233598	0
3	6	-6.89538e-05	0
3	13	-3.81701e-05	0
3	14	-0.000161645	0
4	4	0	0.00181074
4	6	0	-7.11072e-05
5	5	0.00193524	0
5	6	-8.35603e-05	0
5	8	-0.000160605	0
6	1	0	-1.72443e-05
6	2	0	-9.41688e-05
6	3	0	-4.87603e-05
6	4	0	-9.88527e-05
6	5	0	-1.01501e-05
6	6	0	0.0237867
7	5	-6.08416e-05	0
7	8	0.000306666	0
7	11	3.52493e-05	0
8	9	0	0.00012008
9	10	0.00200237	0
9	22	-0.002	0
10	11	0	9.74511e-05
11	12	0.000182758	0
12	3	0	-0.000458012
12	13	0	0.00205898
12	21	0	-0.002
13	3	-4.65368e-05	0
13	14	0.000305252	0
13	17	3.7642e-05	0
14	15	0	0.00012008
15	2	-0.000156934	0
15	16	0.00217081	0
16	17	0	9.5915e-05
17	18	0.000182758	0
18	1	0	-0.00413682
18	19	0	0.0189592
19	7	-0.002	0
19	20	10.0037	0
19	21	-10	0
20	13	0	-0.002
20	20	0	-10
20	21	0	10.002
21	10	-0.002	0
21	22	10.0037	0
22	16	0	-0.002
22	22	0	-10
0	0	0	0
-2.57565e-05	0
0	-4.48769e-07
-4.13483e-06	0
0	-1.01714e-06
-1.37342e-05	0
0	2.90276e-07
1.51576e-09	0
0	-1.56322e-07
0	0
0	5.2198e-08
0	0
0	0
-4.63536e-07	0
0	1.99061e-06
0	0
0	1.95645e-06
0	0
0	0
3.74634e-05	0
0	6.29115e-06
-4.69183e-06	0
0	-3.57397e-06