Share 'Wrong List Item Selection Or flipped Curves? :/'

Ok I problem here, I have a brep and i  Project on it like 30 curves, then i ofset this curves and create a surface from this curves, resulting the image 1.  Now I Want to select   the diferent groups because the geometry is too big for cuting in laser machine plotter, so  I Want to separate this 5 segments, If you see the image 2. I select the item number 3 that is in the midle and its all fin…