Starting position:
0 and -1 denote empty spaces
The empty spaces are always together in the upper left most positions.
Solve puzzle by moving space(s) to the bottom right with the numbers in order.
6 possible directions are symbolized by
5 0
\ /
4--*--1
/ \
3 2
(i.e. 1 = right, 4 = left)
hexagons_3_3.txt is the solution to the 17 Puzzle
from the 16th International Puzzle Party Exchange gift of David Bagley