Index to Freecell games on this site
The following symbols are used:
h is the area to the upper right where the base cards are Aces and other cards are
placed on top in sequence with the suits matching.
a is the free cell to the far left.
b is the free cell to the right of a.
c is the free cell to the right of b.
d is the forth free cell, to the right of c.

To solve FreeCell games and generate the symbols seen here, you may use:
FreeCell Pro 6.5 for XP, Vista, Windows 7

Unscrambling a column or pair of columns is something to be looked for.