From - Michael James 
Solitude - Bass
Black Sabbath - Master Of Reality (1971)

Fig A
|--------------------------------------------------------------
|-----10h12-10h12--------------10h12-10h12---------------------
|--10-------------8------8--10-------------8---------8---------
|---------------------10---------------------10-8-10-----------

|-----------------------------------------------------------
|-----10h12-10h12----10--------10h12-10h12----10------------


|--10-------------8------8--10-------------8------8---------
|-----------------------------------------------------------

|---------------------------------------------------------------------
|-----10h12-10h12----10--------10--------10h12-10h12------------------
|--10-------------8------8--8---------10--------------back to fig A---
|---------------------------------10----------------------------------