Mark’s versions of Triple Tradition pericopae are often the longest.
The Sin Against the Spirit: Matt. 12:31-32; Mark 3:28-29; Luke 12:10

Jesus’ saying about the sin against the Holy Spirit belongs to developing Jewish ideas regarding the gradation of sin and punishment. It also reflects his high self-awareness.
He Could No Longer Openly Enter a Town: A Synoptic Study in Light of an Early Luke

According to Mark, after one of Jesus’ very first miracles, Jesus would no longer openly approach a town in public, but instead avoided the crowds who continually sought him out.