3 commits

Author	SHA1	Message	Date
Alexander Wang	f35be526c6	remove ladders	2023-03-14 15:29:50 -07:00
Alexander Wang	05938bdef2	s-shape	2023-03-14 14:54:30 -07:00
Alexander Wang	73c35bb14b	implement s-shape	2023-03-14 14:11:51 -07:00