brightness day pig
    51.6   1   1
    53.4   1   2
    59.7   1   3
    52.6   1   4
    59.6   1   5
    62.5   1   6
    52.6   1   7
    54.1   1   8
    49.3   1   9
    54.5   1  10
    56.3   4   1
    54.0   4   2
    61.5   4   3
    52.2   4   4
    59.3   4   5
    60.1   4   6
    52.7   4   7
    56.6   4   8
    52.3   4   9
    56.3   4  10
    54.8   6   1
    53.9   6   2
    59.9   6   3
    51.0   6   4
    64.1   6   5
    61.4   6   6
    55.6   6   7
    63.9   6   8
    51.6   6   9
    58.0   6  10