Here's the intro - forgive if it isn't EXACTLY the same as the album version,
and there is also the Vertigo concert version.

ALBUM VERSION
GTR1
e|------------------------------------------------------------------------|
a|--18---18-18----16-16----13--13-16-18----18-18---16-16----13-13-14-11-13|
d|------------------------------------------------------------------------|
g|------------------------------------------------------------------------|
b|------------------------------------------------------------------------|
e|------------------------------------------------------------------------|

GTR2
e|--2-2-0-2-2-2-0-2-2-2-0-2-2-2-0-0--|
a|-----------------------------------|
d|-----------------------------------|
g|-----------------------------------|
b|-----------------------------------|
e|-----------------------------------|

VERTIGO CONCERT VERSION
e|--8-8-11-11-13-13-13-11-8-8-8-11-11-13-13-13~~~~-|
a|-------------------------------------------------|
d|-------------------------------------------------|
g|-------------------------------------------------|
b|-------------------------------------------------|

2 VERTIGO CONCERT VERSION(live in brazil)
e|----12-12-12-12-12-12-10-10-10-10-10-10-|
a|----------------------------------------|
d|----------------------------------------|
g|----------------------------------------|
b|----------------------------------------|