There is a folk saying that "66 pieces of meat will not die". What are the rules for a daughter to send meat on her birthday?

One is to stew 66 pieces of small fresh meat, cover it with a bowl of rice, put it in a vegetable basket with a pair of chopsticks, cover it with red cloth, and give it to the birthday master to taste. Some people change flexibly according to Zhu Shou's taste, instead of braising in soy sauce, they use other cooking methods, but all of them must be 66 yuan. One is: when buying meat, you can't care about the amount of meat. You must cut it with a knife to show your children's respect for the elderly. Some children buy six catties and six taels of meat for their parents' birthdays, and steam six or six steamed buns for the elderly to eat. Others are not allowed to share them, otherwise it is called "grabbing happiness". I hope you knowledgeable people can talk about the rules you have heard and experienced-I wonder if there is any difference between the north and the south. If possible, please indicate the geographical location of the rules for me to learn from.