Case 1:
cannot reach destination

Case 2:
maximum height = 5821
length of shortest route = 11295

Case 3:
cannot reach destination

Case 4:
maximum height = 251
length of shortest route = 926

Case 5:
maximum height = 7784
length of shortest route = 8838

Case 6:
cannot reach destination

Case 7:
cannot reach destination

Case 8:
cannot reach destination

Case 9:
cannot reach destination

Case 10:
cannot reach destination

Case 11:
cannot reach destination