^ v ^ ^   ^ v ^ ^    ^ v ^ ^   ^ v ^ ^
|--0-0-0-0---0-0-0-0----0-0-0-0---0-0-0-0---------------------------| intro
|--1-1-1-1---1-1-1-1----0-0-0-0---0-0-0-0---------------------------|
|--2-2-2-2---2-2-2-2----1-1-1-1---1-1-1-1---------------------------|  x 2 
|--2-2-2-2---2-2-2-2----2-2-2-2---0-0-0-0---------------------------| 
|--0-0-0-0---3-3-3-3----2-2-2-2---2-2-2-2---------------------------|
|-------------------------------------------------------------------|

|-------------0----------1----------------0--------------0----------|
|-----------1--1-------0----------------------3--------0------------| x 4 
|--------2-----------------------------1----------------------------|      
|-----2-------------2---------------2-------------------------------| 
|-0--------------------------0-1-2------------------2---------------|
|-------------------------------------------------------------------|

|-1-------1--0---0-3-0-------------0----------0---------------------|
|---3----------3-----------------0---3------0-----------------------|
|------2-----------------------1------------------------------------|
|---------------------------2---------------------------------------|
|------------------------2---------------2--------------------------|
|-------------------------------------------------------------------|

that's all tabbed by george and  million years ago