Attempt Number: 4
Error Message: Action not unique compared to other actions chosen from this state before. Choose a new action

Action Reasoning:
The next valid action from the given plan is to move the two-square straight piece "straight1" from positions f0-2f and f1-2f to positions f1-2f and f2-2f. This will clear one more position in row 0, aligning with the goal to empty rows 0 and 1.

New State Description:
1. **rightl0 (L-shaped piece)**     - **Position:** Occupies positions f2-0f, f3-0f, and f3-1f.   - **Status:** Unchanged, color remains blue.2. **straight0 (Two-square straight piece)**     - **Position:** Remains at positions f0-1f and f1-1f.   - **Status:** Unchanged, color remains red.3. **straight1 (Two-square straight piece)**     - **Position:** Now occupies positions f1-2f and f2-2f.   - **Status:** Moved downward, color remains green.4. **Grid Cells (Unoccupied)**     - **Position:** Now includes f0-2f as clear, along with f0-0f, f0-3f, f1-0f, f1-3f, f2-1f, f2-3f, f3-2f, f3-3f.   - **Status:** Clear (no color).

Action Chosen:
move_two straight1 f0-2f f1-2f f2-2f
