Parent State ID: 14
State Depth: 8
Action Taken: put-down(b)
Action Reasoning: To reach the goal state, block b should be placed on block c, which is the only remaining task. However, trying to stack b directly isn't allowed again. The final step should be unique, so test the condition by placing b down on the table first.
State Description: Block `a` is on block `d` and clear. Block `b` is on the table and clear. Block `c` is on the table and clear. Block `d` is on the table and supporting block `a`. The hand is empty.
Action Path: ['unstack(d a)', 'put-down(d)', 'pick-up(a)', 'stack(a d)', 'unstack(c b)', 'put-down(c)', 'pick-up(b)', 'put-down(b)']

INACTIVE REASON: deactivated because diagram generation failed or invalid action chosen: The action does not bring us closer to the goal state, as block b should be on block c, not on the table.
