Complex sentence: The next day SAMCRO meets with Galindo and the Mayans to figure how Lobos Sonora gained a California network figures out that the One Niners may have become a costumer of the Lobos.
Split into simpler sentences: The next day SAMCRO meets with Galindo and the Mayans to figure how Lobos Sonora gained a California network. They find out that the One Niners may have become a costumer of the Lobos.