REFERENCE TWO AND TWO
Genesis 7:9 There went in two and two unto Noah into the ark, the male and the female, as God had commanded Noah.
Genesis 7:15 And they went in unto Noah into the ark, two and two of all flesh, wherein is the breath of life.
I Chronicles 26:17 Eastward were six Levites, northward four a day, southward four a day, and toward Asuppim two and two .
Mark 6:7 And he called unto him the twelve, and began to send them forth by two and two ; and gave them power over unclean spirits;
Luke 10:1 After these things the LORD appointed other seventy also, and sent them two and two before his face into every city and place, whither he himself would come.