The Marken Priority Theory and the Synoptic Problem

If john was the last gospel written, which was the first? There is a question about that. For many cent es, the common view was that matthew wrote first, then mark abbreviated him,. Then luke merged and supplemented matthew and mark. After an extensive investigation, i came to the conclusion that markan priority is correct. Will have a link to where i have written about markan priority and other aspects of the synoptic problem.