Guanine
Guanine
Guanine
Guanine
Guanine
Guanine
Guanine
Cytosine
Cytosine
Cytosine
Cytosine
Cytosine
Cytosine
Cytosine
Adenine
Adenine
Adenine
Adenine
Thymine
Thymine
Thymine
Thymine
Thymine