Current State ID: 57
Current State Description: Block A is on the table 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 clear. The hand is empty.

Child State ID: 61
Action Taken: pick-up(block_d)
State Description: Block A is on the table and clear. Block B is on the table and clear. Block C is on the table and clear. Block D is held by the hand and not clear. The hand is not empty.

