linear path

DNA review. was the only clear truly linear path to three cubed processing.
let us review the quote with one clearer punctuation revision
1234
2314
3124

1.3.2..1.3.2..1.3.2..1.3.2.
2.4.3..4.1.4..2.4.3..4.1.4.

I believe they look like codons
or a template