This is an easy to follow pattern.

PART 1
e|----------------------------------------|
B|----------------------------------------|
G|----------------------------------------|
D|------0--------0--------0--------0------|
A|---13---13--13---13--13---13--13---13---|
E|-11-------11-------11-------11----------|

e|----------------------------------------|
B|----------------------------------------|
G|------0--------0--------0--------0------|
D|---13---13--13---13--13---13--13---13---|
A|-11-------11-------11-------11----------|
E|----------------------------------------|

play 2 times, then...

PART 2
e|----------------------------------------|
B|----------------------------------------|
G|----------------------------------------|
D|------0--------0--------0--------0------|
A|---13---13--13---13--13---13--13---13---|
E|-11-------11-------11-------11----------|

e|----------------------------------------|
B|----------------------------------------|
G|----------------------------------------|
D|------0--------0--------0--------0------|
A|---12---12--12---12--11---11--11---11---|
E|-13-------13-------13-------13----------|

play 2 times(except the last rotation and in that case, play 4 times and then this last chord)

END CHORD
e|----|
B|----|
G|----|
D|----|
A|-13-|
E|-11-|

PART 1
PART 2
PART 1(Enter Vocals)
PART 2
PART 1
PART 2(Play 4 times instead of 2)
END CHORD
*The guitar then exits in the wake of a Mr. Rogers dreamscape*