frag.oil	hardness
0.5	3.7
0.5	4.8
0.5	5.6
0.6	5.5
0.7	6.2
0.7	5.5
0.8	6.4
0.8	7.1
0.9	7.2
0.9	7.9
1.0	7.7
1.1	8.5
1.1	9.3
1.3	10.2
1.3	10.7
1.4	10.8
1.4	11.4
1.4	11.0
1.5	11.6
1.5	11.1