For problem 1s: Each nurse's route is shown below:
nurse 0:
(50,50)->(45,32)->(34,38)->(13,44)->(28,60)->(32,49)->(50,50)
The total travel length is 104.716.
nurse 1:
(50,50)->(22,75)->(6,89)->(71,96)->(90,57)->(55,71)->(50,50)
The total travel length is 226.838.
nurse 2:
(50,50)->(19,4)->(85,21)->(91,3)->(76,11)->(66,16)->(50,50)
The total travel length is 208.356