# bases             C,A 
# total_reads_used  17282 
# count_reads_A     17282 
# count_reads_C     17282 
# pass_threshold_C  0.625 
# pass_threshold_A  0.7519531 
 base  code   pass_count  pass_frac    all_count  all_frac 
 C     -      941964      0.93773484   1009393    0.9045421 
 C     m      35732       0.03557157   54957      0.04924833 
 C     21839  26814       0.026693612  51566      0.04620957 
 A     -      1434663     0.95336837   1538782    0.92035663 
 A     a      70173       0.04663166   133159     0.07964336