Softness      Prev_Use        Temp        Pref        Freq
 1     1=Soft       1=Yes           1=High      1=X         19
 2     1=Soft       1=Yes           1=High      2=M         29
 3     1=Soft       1=Yes           2=Low       1=X         57
 4     1=Soft       1=Yes           2=Low       2=M         49
 5     1=Soft       2=No            1=High      1=X         29
 6     1=Soft       2=No            1=High      2=M         27
 7     1=Soft       2=No            2=Low       1=X         63
 8     1=Soft       2=No            2=Low       2=M         53
 9     2=Medm       1=Yes           1=High      1=X         23
10     2=Medm       1=Yes           1=High      2=M         47
11     2=Medm       1=Yes           2=Low       1=X         47
12     2=Medm       1=Yes           2=Low       2=M         55
13     2=Medm       2=No            1=High      1=X         33
14     2=Medm       2=No            1=High      2=M         23
15     2=Medm       2=No            2=Low       1=X         66
16     2=Medm       2=No            2=Low       2=M         50
17     3=Hard       1=Yes           1=High      1=X         24
18     3=Hard       1=Yes           1=High      2=M         43
19     3=Hard       1=Yes           2=Low       1=X         37
20     3=Hard       1=Yes           2=Low       2=M         52
21     3=Hard       2=No            1=High      1=X         42
22     3=Hard       2=No            1=High      2=M         30
23     3=Hard       2=No            2=Low       1=X         68
24     3=Hard       2=No            2=Low       2=M         42