|-------------------------------|
|-------------------------------|
|-------------------------------|
|-----------------3-3h5---------|   this is the intro part
|---------5---------------------|
|-3-----------------------------|

then you go to this:
it is my first tab

|--------------------------------------------|
|---------------------3--3---5--5--3--3--5---|
|---------------------3--3---5--5--3--3--5---|
|------------3-3--5-5-3--3---5--5--3--3--5---|
|-------5-5--3-3--5-5------------------------|
|-3-3---3-3----------------------------------|