# This matches the default scoring set for BLASTZ
    
bad_score          = X:-1000  # used for sub['X'][*] and sub[*]['X']
fill_score         = -100     # used when sub[*][*] is not defined
gap_open_penalty   =  400
gap_extend_penalty =   30

     A     C     G     T
A   91  -114   -31  -123
C -114   100  -125   -31
G  -31  -125   100  -114
T -123   -31  -114    91
