Parent State ID: 13
State Depth: 4
Action Taken: put-down(block_a)
Action Reasoning: To align more closely with the goal state, block D needs to be on block C. Place block A down on the table temporarily to free the hand.
State Description: Block A is on the table and is clear. Block B remains on block D and is clear. Block C is clear and on the table. Block D is not clear and is on the table. The hand is empty.
Action Path: ['unstack(block_b, block_c)', 'stack(block_b, block_d)', 'pick-up(block_a)', 'put-down(block_a)']

successfully verified the action of new state 22 with the path: The last action, put-down(block_a), is logical and consistent with the previous actions. The current state's description and visualization accurately reflect the sequence of actions taken. All preconditions and effects are correctly applied, and no constraints are violated.
