This is from memory, use at your own risk. snap snap snap snap ------------------------------------------------------------ ---------------2--3----------------------4--5--------------- ---------3--5----------------------5--7--------------------- ------------------------------------------------------------ ------------------------------------------------------------ ------------------------------------------------------------ snap snap ------------------------------------------------------------ ---------------4--5----------4--5--------2--3--------------- ---------5--7----------5--7--------3--5--------------------- ------------------------------------------------------------ ------------------------------------------------------------ ------------------------------------------------------------ Richard A. Griffiths ...uunet!ingr!b11!xanth!richard (UUCP) Intergraph Corp. richard@b11.ingr.com (Internet)