NAME          
OBJSENSE
 MIN
ROWS
 N  obj
 G  c1
 L  c1
COLUMNS
    x1        c1        1
    x1        obj       -1
    x2        c1        -3
    x2        obj       -2
    x3        c1        1
    x3        obj       -3
RHS
    rhs       c1        15
    rhs       c1        30
BOUNDS
ENDATA