my %positions = (1   => 8,
                 9   => 11,
                 20  => 2,
                 22  => 9,
                 31  => 7,
                 38  => 8,
                 46  => 8,
                 54  => 8,
                 62  => 30,
                 92  => 12,
                 104 => 30);