Current State ID: 3
Current State Description: The hand is holding block d. Block a is on the table. Block b is on top of block a and is clear. Block c is on the table and clear. Block d is no longer on the table and is not clear.

Child State ID: 5
Action Taken: stack(d, c)
State Description: The hand is empty. Block a is on the table. Block b is on top of block a and is clear. Block c is on the table and is supporting block d. Block d is on top of block c and is clear.

Child State ID: 6
Action Taken: put-down(d)
State Description: The hand is empty. Block a is on the table. Block b is on top of block a and is clear. Block c is on the table and clear. Block d is now on the table and clear. The diagram now shows d on the table, along with a and c.

