MAC 226 Brush: How does it compare to 217 & 224?

I recently picked up the limited edition MAC #226 Tapered Brush and already many of you are asking how it differs from MAC's 217 and 224? Below is a photo of all 3 brushes lined up alongside each other and descriptions of each.#217 Blending (aka the crease brush from the permanent line)The 217 is one ...