2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly! 2024 Special compilation of second-level constructor "Construction Practice" cases, 30 points quickly!