OUTPUT:
det-> 0
dim->2

solution->
[ -5.333333333333E+00 ]
[  0.000000000000E+00 ]
[  0.000000000000E+00 ]
[  5.583333333333E+00 ]


[  1.700000000000E+01 ]
[  1.800000000000E+01 ]
[  1.900000000000E+01 ]
[  2.000000000000E+01 ]