Hierarchy	Input	Constant Input	Unused Input	Floating Input	Output	Constant Output	Unused Output	Floating Output	Bidir	Constant Bidir	Unused Bidir	Input only Bidir	Output only Bidir
u4	35	30	0	30	35	30	30	30	0	0	0	0	0
u3|u0	27	0	0	0	3	0	0	0	1	0	0	0	0
u3	2	0	0	0	1	0	0	0	1	0	0	0	0
p1	2	0	0	0	3	0	0	0	0	0	0	0	0
r0	1	0	0	0	1	0	0	0	0	0	0	0	0