Let ABC be a triangle. Consider four points p₁, p₂, p₃, p₄ on the side AB, five points p₅, p₆, p₇, p₈, p₉ on the side BC and four points p₁₀, p₁₁, p₁₂, p₁₃ on the side AC. None of these points is a vertex of the triangle ABC. Then the total number of pentagons, that can be formed by taking all the vertices from the points p₁, p₂, .... p₁₃ , is ________.