And the way I'll do it is by setting up 5 trapezoids of equal width. So this will be the left boundary of the first trapezoid. This will be its right boundary, which will also be the left boundary of the second trapezoid. This will be the right boundary of the second trapezoid. This is the right boundary of the third trapezoid. This will be the right boundary of the fourth trapezoid. fourth trapezoid, and then finally this will be the route boundary of the fifth trapezoid.