On 07/11/2012 09:26, Offramp wrote:
66 step-free stations means 66! possible journeys which is about 5.443449390774432e92
or 5.4 yottillion yottillion yottillion yottillion yottillion
yottillion yottillion yottillion journeys!!


I'm sure I'm troll feeding, but my maths is screaming in my head!!

66 stations means 66 x 65 possible journeys - or perhaps journey legs if
we are being pedantic.

Ok, there are 66! ways of visiting all 66 stations, but that comes into
the CBA category. grin/

Just my 0.02GBP contribution

Kevin