En Arche

John 1. LXX “En Arche” (Gen 1:1) (1 John 1:1 interesting similar)
v.1 Was the Word v14 became flesh.

John 1 flow

V.1-18 jumps back and forwards through chronology ie to John the B. v6, to Jesus v10, back to Jesus’ birth v14, then to adult John the B.. No further early life narrative from John’s gospel.

Mark

(Mark - no Jesus early life narrative, introduces Jesus Christ the Son of God, and then starts at John the Baptist’s preaching in the desert)