Smoke On The Water Signature Riff By Deep Purple Guitar Tab

This Is the best song by deep purple ..... this riff is too simple .... its the intro ....... i'm writing down the tabs ... jus try it ..... 
e)-------------------------------------------------------------|
B)-------------------------------------------------------------|
G)-------------------------------------------------------------|
D)-------3---5-------3---6---5-------3---5---3-----------------|
A)---5---1---3---5---1---4---3---5---1---3---1---5-------------|
E)---3-----------3---------------3---------------3-------------|
I Figured Out An Alternate Way To play The Riff ...................... 
e)-------------------------------------------------------------|
B)-------------------------------------------------------------|
G)-----3--5---------3--6--5---------3--5--3--------------------|
D)--5--3--5------5--3--6--5------5--3--5--3--5-----------------|
A)--5------------5---------------5-----------5-----------------|
E)-------------------------------------------------------------|