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It seems as though it screwed up my diagram the first time. Let's try again: *******************************+-VV-VV-+*********** *******************************|*******|*********** ************************+-VVV--+--VVV--+---+******* ************************|******|*******|***|******* ************************|******+--VVV--+**(A1)***** ************************|******************|******* ***+----VVV--(V1)--VVV--+--------VVV-------+----+** ***|********************|******************|****|** **---*+*****************+-------VVV--------+***(V2) ***-********************************************|** **---*******************************************|** ***-**-*****+-(A3)-VV-+*************************|** ***|******+-+*********+--VVV--+*****************>** **(V3)****|*+---VVV---+*******|*****************>** ***|****+-+*******************+--VVV--+*********>** ***|****|*+------VVV----------+*******|*********|** ***+----|*****************************+---(A2)--+** ********|*******+--VVV--+*************|************ ********+--VVV--+*******+-------------+************ ****************+--VVV--+************************** Use the find/replace function in notepad or something to turn the *'s into spaces to make it easier to read.