My solution. Same basic idea as solution in book but with 4 fewer ramps.
https://drive.google.com/file/d/1MyxBgdf1G_fO2U_RvJ4Ogu4AtyJqoiwt/view?usp=drivesdk
My solution. Same basic idea as solution in book but with 4 fewer ramps.
https://drive.google.com/file/d/1MyxBgdf1G_fO2U_RvJ4Ogu4AtyJqoiwt/view?usp=drivesdk