Robert P. J. Day wrote: > there is little value in listing the 6 variations i've tried, just > so someone can say, "here, here's a 7th possibility, maybe *that'll* > work." Isn't that exactly what you have to do in a case like this? By the time you get to variation 12, it will probably work. -- Timothy Murphy e-mail (<80k only): tim /at/ birdsnest.maths.tcd.ie tel: +353-86-2336090, +353-1-2842366 s-mail: School of Mathematics, Trinity College, Dublin 2, Ireland
