Legend for columns in tables:

Column	Meaning
-----------------
1	Id
2	Random seed
3	Mean size of initial loop
4	Number of loops
5	Mean size of loops
6	Number of unoccupied vertices
7	Solution size
8	Number of moves in solution
9	Solution length (parallelism allowed)
10	Pattern database hits
11	Pattern database queries
12	Optimal solutions started
13	Optimal solutions finished
14	Runtime