Row/Column Card Slant Light 1 1 0 Dim 2 2 0 Dim 3 3 0 Dim 4 4 0 Dim 5 5 0 Dim 6 6 0 Dim 7 1 0 Bright 8 2 0 Bright 9 3 0 Bright 10 4 0 Bright 11 5 0 Bright 12 6 0 Bright 13 1 42 Bright 14 2 42 Bright 15 3 42 Bright 16 4 42 Bright 17 5 42 Bright 18 6 42 Bright NaN in data table indicates a trial where data was inadvertently not recorded.