The astrologer had good knowledge of man‟s difficulties.

because they had learnt about the humans' cycology

after the moon goes from a full moon it turns into a waning gibbous moon.

here's where my answer came from. i hope this .

different routes can lead to sammy to different places, with different roads.   if you check a map, you can see the routes.   try to make connections of the places and count how many there are.   hope this : )