Sequence is going to appear here.
Quick-Edit options will appear underneath the graph.
You can find a demo here.
This site uses the 4 DNA bases: Adenin, Cytosin, Guanin and Thymin
to visualize DNA sequences. While this can be used to show correlations between strains,
(example: Human vs. Chimpanzee ) the general use was intended for artistic purposes only.
Play around with the settings and create something brand new.
You can find the source code here.