Here is example input to the Gauss Jordan program.

------------------------------ CUT HERE ----------------------------
4

[1:
  [1: 0.100000 0.200000 0.300000 0.400000 ]
  [1: 0.500000 0.600000 0.700000 0.800000 ]
  [1: 0.900000 1.000000 1.100000 1.200000 ]
  [1: 1.300000 1.400000 1.500000 1.600000 ]
]

[1: 1.700000 1.800000 1.900000 2.000000 ]
