This isn't all that strange. If there is a swamp between A and B, it may
very well be quicker to go around it, even in a hex-based system.
...##... # = swamp (1 move/day)
.A.##.B. . = plain (4 move/day)
........
...C....
-- Rich Skrenta <skrenta@rt.com> N2QAV