Key: B
Introduction:
D:-8-8-8-8-8-8-8-8-5-5-5-5-5-5-5-5--8-8-8-8-8-8-8-8-5-5-5-5-5-5-5m7---
A :-6-6-6-6-8-8-8-8-3-3-3-3-5-5-5-5--6-6-6-6-8-8-8-8-3-3-3-3-3-3-3-5---
Key: B
Introduction:
D:-8-8-8-8-8-8-8-8-5-5-5-5-5-5-5-5--8-8-8-8-8-8-8-8-5-5-5-5-5-5-5m7---
A :-6-6-6-6-8-8-8-8-3-3-3-3-5-5-5-5--6-6-6-6-8-8-8-8-3-3-3-3-3-3-3-5---