GM-GMC: firing order, firing order, gm

Question
What is the firing order on my 1994 GM Suburban 454 7.4l. Is there a diagram?

Answer
         
                   front      
              1              2
              3              4
              5              6
              7       8      8
                   1    4
                2     c    3
                  7     6  
                      5
                
the order is 18436572  #1 cylinder points to # 1 on the cap