Current State ID: 17
Current State Description: Block A is on the table and clear. Block B is on block C and clear. Block C is on the table and not clear. Block D is held by the hand and not clear. The hand is holding block D.

Child State ID: 24
Action Taken: stack(block_d, block_b)
State Description: Block A is on the table and clear. Block B is on block C and not clear. Block C is on the table and not clear. Block D is on block B and clear. The hand is empty.

