blk    a    b    c    trtcomb       y 
                               1     0    0    0      (1)        99.5
                               1     0    1    1      bc         47.7
                               1     1    0    1      ac       110.4
                               1     1    1    0      ab         72.3
                               2     0    0    1      c          53.6
                               2     0    1    0      b          38.4
                               2     1    0    0      a          64.9
                               2     1    1    1      abc        81.6
                               3     0    0    0      (1)        60.3
                               3     0    1    1      bc         34.9
                               3     1    0    1      ac        71.9
                               3     1    1    0      ab         37.7
                               4     0    0    1      c          41.7
                               4     0    1    0      b          25.6
                               4     1    0    0      a          34.8
                               4     1    1    1      abc        78.5
                               5     0    0    0      (1)        58.2
                               5     0    1    1      bc         56.9
                               5     1    0    1      ac        91.0
                               5     1    1    0      ab         19.3
                               6     0    0    1      c           7.2
                               6     0    1    0      b          46.7
                               6     1    0    0      a          52.1
                               6     1    1    1      abc         7.3
                               7     0    0    0      (1)        26.6
                               7     0    1    1      bc         17.0
                               7     1    0    1      ac        48.2
                               7     1    1    0      ab          2.3
                               8     0    0    1      c          49.8
                               8     0    1    0      b          72.4
                               8     1    0    0      a          60.0
                               8     1    1    1      abc        34.6