basis z x1 x2 s1 s2 s3 sol
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z 1.00 0.00 0.00 0.00 4.50 0.50 39.00
s1 0.00 0.00 0.00 1.00 0.75 -0.25 2.50
x2 0.00 0.00 1.00 0.00 1.00 0.00 6.00
x1 0.00 1.00 0.00 0.00 -0.75 0.25 1.50