How many continuous paths from A to B, along segments of the figure, do not revisit any of the six labeled points?
Not 100% sure on this answer....
ACB
ACFDEB
ACDEB
ADEB
ADCB
ADFCB
3 from AC....because you can go straight down, and cross to the other side in 2 ways, and 3 from AD... for similar reasons.
