Which side of the pig's intestine is inside and which side is the outside?

come! come! come! Solve this age-old doubt for everyone. Just now, my relatives in my hometown killed pigs and told me to cut meat. I just happened to witness the scene of the butcher's open stomach, took a picture of the intestines just pulled out, solved my own doubts all along, and also showed it to some of the guys who had argued with us! Which side is the