Here is the Intro, which is absolutely correct.




|--1------1-----13-0-----0----0h1-----------------------------|
|-----------------------------------1-----3p1---3p1----13--3--|
|------2-----2---------0-----0---------------------------------|
|--0-----------------------------------3------3-----3----------|
|-------------------3---------------1------------------35--5--|
|--------------------------------------------------------------|


|--1------1-----13-0----0---0----0h1--------|
|-------------------------3---3--------1~~---|
|------2-----2---------0---0---0-------------|
|--0-----------------------------------------|
|-------------------3------------------1~~---|
|--------------------------------------------|