1; comments must have a semicolon in the first column or else 2; unpredictable behavior after reading the file will result 3; the first value is the type of filter; the second is info; then data 41 1 = filter 2 = matrix 5250 if 1, window if 2, cutoff 6100 { symbol "A", name "Adenine" }, 733 { symbol "B" , name "G or T or C" }, 80 { symbol "C", name "Cytosine" }, 967 { symbol "D", name "G or A or T" }, 10; { symbol "", name "" }, 11; { symbol "", name "" }, 120 { symbol "G", name "Guanine" }, 1367 { symbol "H", name "A or C or T" } , 14; { symbol "", name "" }, 15; { symbol "", name "" }, 1650 { symbol "K", name "G or T" }, 17; { symbol "", name ""}, 1850 { symbol "M", name "A or C" }, 1950 { symbol "N", name "A or G or C or T" } , 20; { symbol "", name "" }, 21; { symbol "", name "" }, 22; { symbol "", name ""}, 2350 { symbol "R", name "G or A"}, 240 { symbol "S", name "G or C"}, 25100 { symbol "T", name "Thymine"}, 26; { symbol "", name ""}, 2733 { symbol "V", name "G or C or A"}, 280 { symbol "W", name "A or T" }, 29; { symbol "", name ""}, 3050 { symbol "Y", name "T or C"} 31