1996 lumina coil firing order

i have a 1996 lumina with a 3.1 and the coils are in the back by the firewall of the engine compartment. my coils are not numbered to determine which plug wires goes to them. can anyone help me.

. the cylinders on the front bank are numbered 1 - 3 - 5 from the passenger side to drivers side. rear bank is 2 - 4 - 6.http://www.wrenchead.ca/HTML%20Presentation%20folder/sld046.htm
the above link shows the coil configuration.
good luck