order solvent varnish trtmt time
    1      2       3     23   32.50
    2      1       3     13   30.20
    3      1       3     13   27.25
    4      2       3     23   24.25
    5      2       2     22   34.42
    6      2       2     22   26.00
    7      1       2     12   22.50
    8      2       2     22   31.08
    9      1       2     12   25.17
   10      2       1     21   29.17
   11      1       1     11   27.58
   12      1       1     11   28.75
   13      2       1     21   31.75
   14      1       3     13   29.75
   15      2       3     23   30.75
   16      2       2     22   29.17
   17      1       2     12   27.75
   18      1       1     11   25.83
   19      2       2     22   24.75
   20      1       2     12   21.50
   21      2       1     21   32.08
   22      2       3     23   29.50
   23      1       3     13   24.50
   24      2       1     21   28.50
   25      2       3     23   28.75
   26      1       3     13   22.75
   27      1       1     11   29.25
   28      2       1     21   31.25
   29      1       1     11   22.08
   30      1       2     12   25.00