Should I do a 7 week pyramid or a 6 week gradual increase?

Week 1 - 20 mg
Week 2 - 30 mg
Week 3 - 40 mg
Week 4 - 50 mg
Week 5 - 40 mg
Week 6 - 30 mg
Week 7 - 20 mg

or

Week 1 - 20 mg
Week 2 - 30 mg
Week 3 - 40 mg
Week 4 - 50 mg
Week 5 - 60 mg
Week 6 - 70 mg