# simul6.txt
# need for pivoting; small error version of simul3.txt
# xs=1; y=2; z=3

# rows, cols
3 4

# x + y + 2z = 9
1 1 2 9

# x + 1.0000000000001y + 3z = 12.0000000000002
1 1.0000000000001 3 12.0000000000002

# 2x + 3y + z = 11 
2 3 1 11