I would think in that parable . . . comparing Jonah as a son of man born of the flesh to the three days and nights "belly of whale" compared to Jesus the Son of man "heart of earth"
Three in parables represents the end of a matter You could say three in one.
Not so popular of a opinion but does ring out true. Three different kinds of promised demonstrations of the lamb slain from the foundation. The six days the Holy Father did his "Let there be" work of His creative faithfulness
Most look to the bloody demonstration of the cross a gospel sign to the unbelieving world. The second of three different kinds of demonstrations
Believers look to the prophecy the parable the bruising of the heel Spoken of in Genesis 3:15 with its witness Isaiah 53
Genesis 3:151;And I will put enmity between thee and the woman, and between thy seed and her seed; it shall bruise thy head, and thou shalt bruise his heel.
Isaiah 53:5 But he was wounded for our transgressions, he was bruised for our iniquities: the chastisement of our peace was upon him; and with his stripes we are healed.
Isaiah 53:10 Yet it pleased the Lord to bruise him; he hath put him to grief: when thou shalt make his soul an offering for sin, he shall see his seed, he shall prolong his days, and the pleasure of the Lord shall prosper in his hand.
The first of the three demonstrations began in the valley the garden of Gethsemane as shadow of the garden of Eden.
There the Holy Father began bruising the heel of the Son of man Jesus as a living suffering sacrifice crushing the head of the serpent. In his agony he reached out for strength from the other apostles three times. Three times the Holy Father Christ put the apostles back to sleep therefore fulfilled the prophecy of the work of two the dynamic dual .
Then the father woke them up and they moved to the hill of the skull the bloody demonstration. Then last but not least the tomb. Having finished the demonstrations in the tomb the Holy Father removed the grave clothes and rolled back the stone. . the light of the new day the first day. Let there be light
Three demonstrations as if one
Great parable teaching we are never alone even when others fall asleep.
Once again, your comments deal with issues for a different topic.