NAME          prob
ROWS
 N  obj
 L  c1
 L  c2
COLUMNS
    x3        c2        1.0
    x3        obj       -2.0
    x2        c1        1.0
    x2        c2        1.0
    x1        c1        -1.0
    x1        c2        1.0
RHS
    rhs       c1        10.0
    rhs       c2        20.0
BOUNDS
 LO bound     x3        2.0
 SC bound     x3        3.0
 LO bound     x1        2.1
 SC bound     x1        30.0
ENDATA