(defrelation boltsbor
(attribute x1 real)
(attribute x2 real)
(attribute x3 real)
(attribute x4 real)
(attribute x5 real)
(attribute x6 real)
(attribute x7 real)
;(attribute x8 real)
;(attribute x9 real)
(attribute! class best rest)
(data 25 2 10 1.5 0 6 5.7  rest  )
(data 24 2 10 1.5 0 10 17.56  rest  )
(data 30 2 10 1.5 2 6 11.28  rest  )
(data 2 2 10 1.5 2 10 8.39  rest  )
(data 40 2 10 2.5 0 6 16.67  rest  )
(data 37 2 10 2.5 0 10 12.04  rest  )
(data 16 2 10 2.5 2 6 9.22  rest  )
(data 22 2 10 2.5 2 10 3.94  rest  )
(data 33 2 30 1.5 0 6 27.02  rest  )
(data 17 2 30 1.5 0 10 19.46  rest  )
(data 28 2 30 1.5 2 6 18.54  rest  )
(data 27 2 30 1.5 2 10 25.7  rest  )
(data 14 2 30 2.5 0 6 19.02  rest  )
(data 13 2 30 2.5 0 10 22.39  rest  )
(data 4 2 30 2.5 2 6 23.85  rest  )
(data 21 2 30 2.5 2 10 30.12  rest  )
(data 23 6 10 1.5 0 6 13.42  rest  )
(data 35 6 10 1.5 0 10 34.26  rest  )
(data 19 6 10 1.5 2 6 39.74  rest  )
(data 34 6 10 1.5 2 10 10.6  rest  )
(data 31 6 10 2.5 0 6 28.89  rest  )
(data 9 6 10 2.5 0 10 35.61  rest  )
(data 38 6 10 2.5 2 6 17.2  rest  )
(data 15 6 10 2.5 2 10 6  rest  )
(data 39 6 30 1.5 0 6 129.45  rest  )
(data 8 6 30 1.5 0 0 107.38  rest  )
(data 26 6 30 1.5 2 6 111.66  rest  )
(data 11 6 30 1.5 2 0 109.1  rest  )
(data 6 6 30 2.5 0 6 100.43  rest  )
(data 20 6 30 2.5 0 0 109.28  rest  )
(data 10 6 30 2.5 2 6 106.46  rest  )
(data 32 6 30 2.5 2 0 134.01  rest  )
(data 1 4 20 2 1 8 10.78  best  )
(data 3 4 20 2 1 8 9.39  best  )
(data 5 4 20 2 1 8 9.84  best  )
(data 7 4 20 2 1 8 13.94  best  )
(data 12 4 20 2 1 8 12.33  best  )
(data 18 4 20 2 1 8 7.32  best  )
(data 29 4 20 2 1 8 7.91  best  )
(data 36 4 20 2 1 8 15.58  best  )

)