nuprl-staging/pointer-aliasing-intermediate-v1

id int64 0 6k	prompt stringlengths 265 1.96k	answer stringclasses 10 values	pythoncode stringlengths 267 1.96k	depth0 stringclasses 10 values	depth1 stringclasses 10 values	depth2 stringclasses 10 values	depth3 stringclasses 10 values	depth4 stringclasses 11 values	depth5 stringclasses 11 values	depth6 stringclasses 11 values	depth7 stringclasses 11 values	num_nodes int64 3 7	num_edges int64 3 29	num_classes int64 2 7	path_length int64 3 7	num_cycle int64 0 6
800	class A: def __init__(self, txt: str): self.s: B = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.z: A = None self.txt = txt h = A("h") d = B("d") a = B("a") f = A("f") h.s = a h.t = f d.q = f d.z = h a.q = f a...	f"	class A: def __init__(self, txt: str): self.s: B = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.z: A = None self.txt = txt h = A("h") d = B("d") a = B("a") f = A("f") h.s = a h.t = f d.q = f d.z = h a.q = f a...	h	f	a	f	x	x	x	x	4	7	2	3	1
801	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt h = A("h") j = B("j") d = B("d") b = A("b") e = A("e") h.r = b j.q = d d.q = j b.r = h e.r = h assert j.q.q.q.txt == "	d"	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt h = A("h") j = B("j") d = B("d") b = A("b") e = A("e") h.r = b j.q = d d.q = j b.r = h e.r = h assert j.q.q.q.txt == "d"	j	d	j	d	x	x	x	x	5	5	2	3	2
802	class A: def __init__(self, txt: str): self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.u: A = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") c.s = j d.q = j d.u = c j.q = d j.u = h h.s = d assert d.u.s.u.txt...	h"	class A: def __init__(self, txt: str): self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.u: A = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") c.s = j d.q = j d.u = c j.q = d j.u = h h.s = d assert d.u.s.u.txt...	d	c	j	h	x	x	x	x	4	6	2	3	0
803	class A: def __init__(self, txt: str): self.o: B = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt d = A("d") c = B("c") h = B("h") a = B("a") b = A("b") f = A("f") j = A("j") d.o = a d.p = a c.s = a h.s = a a...	h"	class A: def __init__(self, txt: str): self.o: B = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt d = A("d") c = B("c") h = B("h") a = B("a") b = A("b") f = A("f") j = A("j") d.o = a d.p = a c.s = a h.s = a a...	d	a	h	a	h	x	x	x	7	8	2	4	2
804	class A: def __init__(self, txt: str): self.s: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt h = A("h") j = B("j") d = A("d") c = A("c") e = A("e") i = B("i") f = A("f") h.s = f ...	i"	class A: def __init__(self, txt: str): self.s: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt h = A("h") j = B("j") d = A("d") c = A("c") e = A("e") i = B("i") f = A("f") h.s = f ...	d	i	j	f	j	i	j	i	7	14	2	7	4
805	class A: def __init__(self, txt: str): self.y: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt h = A("h") d = B("d") g = B("g") a = B("a") c = B("c") h.y = d h.x = d d.p = a g.p = a a.p = d c.p = g assert ...	d"	class A: def __init__(self, txt: str): self.y: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt h = A("h") d = B("d") g = B("g") a = B("a") c = B("c") h.y = d h.x = d d.p = a g.p = a a.p = d c.p = g assert ...	c	g	a	d	x	x	x	x	5	5	2	3	0
806	class A: def __init__(self, txt: str): self.s: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt g = A("g") e = B("e") c = B("c") i = B("i") f = B("f") h = A("h") g.s = i g.w = h e.s = i c.s = e i.s = e f.s ...	e"	class A: def __init__(self, txt: str): self.s: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt g = A("g") e = B("e") c = B("c") i = B("i") f = B("f") h = A("h") g.s = i g.w = h e.s = i c.s = e i.s = e f.s ...	g	i	e	i	e	i	e	x	6	8	2	6	4
807	class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.y: A = None self.txt = txt d = A("d") c = B("c") f = B("f") a = B("a") j = A("j") b = A("b") d.o = c c.r = a c.y = d f.r = c f.y = j a.r ...	d"	class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.y: A = None self.txt = txt d = A("d") c = B("c") f = B("f") a = B("a") j = A("j") b = A("b") d.o = c c.r = a c.y = d f.r = c f.y = j a.r ...	c	a	c	d	x	x	x	x	6	9	2	3	1
808	class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt d = A("d") g = B("g") b = A("b") f = A("f") e = A("e") j = B("j") h = B("h") d.u = f g.w = b b.u = d f.u = e e.u = d j.w = d h.w = e as...	e"	class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt d = A("d") g = B("g") b = A("b") f = A("f") e = A("e") j = B("j") h = B("h") d.u = f g.w = b b.u = d f.u = e e.u = d j.w = d h.w = e as...	e	d	f	e	x	x	x	x	7	7	2	3	1
809	class A: def __init__(self, txt: str): self.x: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt c = A("c") d = B("d") f = B("f") g = A("g") i = B("i") h = B("h") c.x = g c.y = g d.o = f f.o = d g.x = c g.y ...	f"	class A: def __init__(self, txt: str): self.x: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt c = A("c") d = B("d") f = B("f") g = A("g") i = B("i") h = B("h") c.x = g c.y = g d.o = f f.o = d g.x = c g.y ...	f	d	f	d	f	x	x	x	6	6	2	4	3
810	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.txt = txt h = A("h") b = B("b") f = A("f") e = B("e") c = B("c") h.w = f b.w = c f.w = h e.w = b c.w = b assert c.w.w.w.w.w.txt == "	b"	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.txt = txt h = A("h") b = B("b") f = A("f") e = B("e") c = B("c") h.w = f b.w = c f.w = h e.w = b c.w = b assert c.w.w.w.w.w.txt == "b"	c	b	c	b	c	b	x	x	5	5	2	5	4
811	class A: def __init__(self, txt: str): self.q: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.z: A = None self.txt = txt c = A("c") j = B("j") d = A("d") c.q = d c.o = d j.w = c j.z = d d.q = c d.o = c asse...	d"	class A: def __init__(self, txt: str): self.q: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.z: A = None self.txt = txt c = A("c") j = B("j") d = A("d") c.q = d c.o = d j.w = c j.z = d d.q = c d.o = c asse...	c	d	c	d	x	x	x	x	3	4	2	3	2
812	class A: def __init__(self, txt: str): self.x: A = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") d = B("d") c = A("c") h = B("h") g.x = c g.p = d d.x = g c.x = g c.p = h h.x = g assert c.p.x.x.p.t...	h"	class A: def __init__(self, txt: str): self.x: A = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") d = B("d") c = A("c") h = B("h") g.x = c g.p = d d.x = g c.x = g c.p = h h.x = g assert c.p.x.x.p.t...	c	h	g	c	h	x	x	x	4	6	2	4	2
813	class A: def __init__(self, txt: str): self.x: B = None self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.u: A = None self.txt = txt b = A("b") c = B("c") d = B("d") a = A("a") f = B("f") e = A("e") b.x = d b.r = e c.r...	a"	class A: def __init__(self, txt: str): self.x: B = None self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.u: A = None self.txt = txt b = A("b") c = B("c") d = B("d") a = A("a") f = B("f") e = A("e") b.x = d b.r = e c.r...	a	b	d	a	x	x	x	x	6	12	2	3	1
814	class A: def __init__(self, txt: str): self.u: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.u: A = None self.txt = txt c = A("c") j = B("j") h = A("h") i = B("i") a = A("a") c.u = i c.q = h j.o = i j.u = ...	i"	class A: def __init__(self, txt: str): self.u: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.u: A = None self.txt = txt c = A("c") j = B("j") h = A("h") i = B("i") a = A("a") c.u = i c.q = h j.o = i j.u = ...	c	h	i	j	c	i	x	x	5	10	2	5	2
815	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt b = A("b") g = B("g") h = A("h") c = A("c") i = A("i") j = B("j") b.u = g g.z = j h.u = j c.u = g i.u = g j.z = g assert j.z.z.z.txt ==...	g"	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt b = A("b") g = B("g") h = A("h") c = A("c") i = A("i") j = B("j") b.u = g g.z = j h.u = j c.u = g i.u = g j.z = g assert j.z.z.z.txt ==...	j	g	j	g	x	x	x	x	6	6	2	3	2
816	class A: def __init__(self, txt: str): self.q: A = None self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.s: A = None self.txt = txt c = A("c") j = B("j") a = A("a") g = A("g") i = B("i") h = B("h") c.q = g c.s = a j.p...	c"	class A: def __init__(self, txt: str): self.q: A = None self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.s: A = None self.txt = txt c = A("c") j = B("j") a = A("a") g = A("g") i = B("i") h = B("h") c.q = g c.s = a j.p...	g	a	g	c	x	x	x	x	6	12	2	3	1
817	class A: def __init__(self, txt: str): self.p: B = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.r: B = None self.txt = txt j = A("j") i = B("i") d = A("d") f = A("f") h = B("h") j.p = h j.v = f i.u = d i.r = ...	j"	class A: def __init__(self, txt: str): self.p: B = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.r: B = None self.txt = txt j = A("j") i = B("i") d = A("d") f = A("f") h = B("h") j.p = h j.v = f i.u = d i.r = ...	d	i	h	j	x	x	x	x	5	10	2	3	0
818	class A: def __init__(self, txt: str): self.p: A = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt c = A("c") d = B("d") i = B("i") g = B("g") e = A("e") f = A("f") b = A("b") c.p = f c.z = g d.x = g i.x = d g...	g"	class A: def __init__(self, txt: str): self.p: A = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt c = A("c") d = B("d") i = B("i") g = B("g") e = A("e") f = A("f") b = A("b") c.p = f c.z = g d.x = g i.x = d g...	e	d	g	d	g	d	g	x	7	11	2	6	4
819	class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt b = A("b") c = B("c") g = B("g") e = A("e") b.u = e b.x = e c.z = e g.z = e e.u = b e.x = b assert e.x.u.u.txt...	b"	class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt b = A("b") c = B("c") g = B("g") e = A("e") b.u = e b.x = e c.z = e g.z = e e.u = b e.x = b assert e.x.u.u.txt...	e	b	e	b	x	x	x	x	4	4	2	3	2
820	class A: def __init__(self, txt: str): self.z: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt b = A("b") d = B("d") h = B("h") f = B("f") a = A("a") b.z = a b.y = a d.y = a h.y = a f.y = b a.z = b a.y = b...	b"	class A: def __init__(self, txt: str): self.z: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt b = A("b") d = B("d") h = B("h") f = B("f") a = A("a") b.z = a b.y = a d.y = a h.y = a f.y = b a.z = b a.y = b...	a	b	a	b	x	x	x	x	5	5	2	3	2
821	class A: def __init__(self, txt: str): self.v: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt j = A("j") c = B("c") h = B("h") i = B("i") b = A("b") j.v = b j.r = i c.y = b h.y = j i.y = b b.v = j b.r = i...	i"	class A: def __init__(self, txt: str): self.v: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt j = A("j") c = B("c") h = B("h") i = B("i") b = A("b") j.v = b j.r = i c.y = b h.y = j i.y = b b.v = j b.r = i...	i	b	i	b	i	x	x	x	5	7	2	4	3
822	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") j = B("j") c = A("c") e = A("e") i = B("i") a = A("a") b = B("b") f.o = a j.u = b c.o = f e.o = c i.u = b a.o = c b.u = j as...	f"	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") j = B("j") c = A("c") e = A("e") i = B("i") a = A("a") b = B("b") f.o = a j.u = b c.o = f e.o = c i.u = b a.o = c b.u = j as...	a	c	f	a	c	f	x	x	7	7	2	5	3
823	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt g = A("g") d = B("d") h = A("h") f = B("f") a = B("a") b = A("b") c = B("c") g.r = h d.z = f h.r = g f.z = c a.z = f b.r = g c.z = f as...	h"	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt g = A("g") d = B("d") h = A("h") f = B("f") a = B("a") b = A("b") c = B("c") g.r = h d.z = f h.r = g f.z = c a.z = f b.r = g c.z = f as...	b	g	h	g	h	g	h	x	7	7	2	6	4
824	class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt e = A("e") f = B("f") h = A("h") d = A("d") e.x = f e.t = f f.p = d h.x = f h.t = f d.x = f d.t = f assert e.t...	d"	class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt e = A("e") f = B("f") h = A("h") d = A("d") e.x = f e.t = f f.p = d h.x = f h.t = f d.x = f d.t = f assert e.t...	e	f	d	f	d	x	x	x	4	4	2	4	2
825	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.w: A = None self.txt = txt a = A("a") b = B("b") i = A("i") a.q = b b.s = a b.w = i i.q = b assert i.q.w.q.txt == "	b"	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.w: A = None self.txt = txt a = A("a") b = B("b") i = A("i") a.q = b b.s = a b.w = i i.q = b assert i.q.w.q.txt == "b"	i	b	i	b	x	x	x	x	3	4	2	3	2
826	class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") j = B("j") g = B("g") h.o = g j.w = h g.w = h assert j.w.o.w.txt == "	h"	class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") j = B("j") g = B("g") h.o = g j.w = h g.w = h assert j.w.o.w.txt == "h"	j	h	g	h	x	x	x	x	3	3	2	3	1
827	class A: def __init__(self, txt: str): self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") f = B("f") e = A("e") g = A("g") c.s = g d.v = j j.v = f h.s = g f.v = j e.s = c g.s = h as...	f"	class A: def __init__(self, txt: str): self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") f = B("f") e = A("e") g = A("g") c.s = g d.v = j j.v = f h.s = g f.v = j e.s = c g.s = h as...	d	j	f	j	f	j	f	x	7	7	2	6	4
828	class A: def __init__(self, txt: str): self.v: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt b = A("b") d = B("d") i = B("i") a = A("a") e = B("e") c = B("c") h = B("h") b.v = d b.w = d d.u = a i.u = b a...	c"	class A: def __init__(self, txt: str): self.v: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt b = A("b") d = B("d") i = B("i") a = A("a") e = B("e") c = B("c") h = B("h") b.v = d b.w = d d.u = a i.u = b a...	e	a	h	a	c	a	c	x	7	8	2	6	3
829	class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt e = A("e") c = B("c") d = B("d") f = A("f") e.u = f e.x = f c.x = d d.x = c f.u = e f.x = e assert f.x.u.x.txt...	e"	class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt e = A("e") c = B("c") d = B("d") f = A("f") e.u = f e.x = f c.x = d d.x = c f.u = e f.x = e assert f.x.u.x.txt...	f	e	f	e	x	x	x	x	4	4	2	3	2
830	class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt d = A("d") c = B("c") e = B("e") j = B("j") h = A("h") d.x = h c.u = d e.u = d j.u = h h.x = d assert e.u.x.x.x.x.txt == "	d"	class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt d = A("d") c = B("c") e = B("e") j = B("j") h = A("h") d.x = h c.u = d e.u = d j.u = h h.x = d assert e.u.x.x.x.x.txt == "d"	e	d	h	d	h	d	x	x	5	5	2	5	3
831	class A: def __init__(self, txt: str): self.w: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt c = A("c") f = B("f") e = B("e") a = A("a") h = A("h") c.w = h c.v = h f.u = e e.u = f a.w = h a.v = c h.w = c...	h"	class A: def __init__(self, txt: str): self.w: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt c = A("c") f = B("f") e = B("e") a = A("a") h = A("h") c.w = h c.v = h f.u = e e.u = f a.w = h a.v = c h.w = c...	h	c	h	c	h	x	x	x	5	7	2	4	3
832	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.x: A = None self.txt = txt i = A("i") e = B("e") j = B("j") f = B("f") i.z = f e.q = i e.x = i j.q = i j.x = i f.q = i f.x = i assert i.z...	f"	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.x: A = None self.txt = txt i = A("i") e = B("e") j = B("j") f = B("f") i.z = f e.q = i e.x = i j.q = i j.x = i f.q = i f.x = i assert i.z...	i	f	i	f	x	x	x	x	4	4	2	3	2
833	class A: def __init__(self, txt: str): self.v: B = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") g = B("g") j = A("j") h = A("h") f = A("f") a = A("a") b = B("b") e.v = g e.z = b g.o = e j.v = b j...	b"	class A: def __init__(self, txt: str): self.v: B = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") g = B("g") j = A("j") h = A("h") f = A("f") a = A("a") b = B("b") e.v = g e.z = b g.o = e j.v = b j...	f	b	a	b	x	x	x	x	7	10	2	3	1
834	class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.p: B = None self.txt = txt e = A("e") d = B("d") b = B("b") h = A("h") e.p = h d.v = b d.p = b b.v = d b.p = d h.p = e assert e.p.p.p.p.t...	e"	class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.p: B = None self.txt = txt e = A("e") d = B("d") b = B("b") h = A("h") e.p = h d.v = b d.p = b b.v = d b.p = d h.p = e assert e.p.p.p.p.t...	e	h	e	h	e	x	x	x	4	4	2	4	3
835	class A: def __init__(self, txt: str): self.u: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt g = A("g") d = B("d") j = B("j") i = A("i") g.u = d g.v = j d.v = j j.v = d i.u = j i.v = d assert j.v.v.v.v.t...	j"	class A: def __init__(self, txt: str): self.u: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt g = A("g") d = B("d") j = B("j") i = A("i") g.u = d g.v = j d.v = j j.v = d i.u = j i.v = d assert j.v.v.v.v.t...	j	d	j	d	j	x	x	x	4	6	2	4	3
836	class A: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt a = A("a") d = B("d") g = B("g") e = A("e") a.u = d a.y = e d.q = g g.q = d e.u = g e.y = a assert g.q.q.q.txt...	d"	class A: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt a = A("a") d = B("d") g = B("g") e = A("e") a.u = d a.y = e d.q = g g.q = d e.u = g e.y = a assert g.q.q.q.txt...	g	d	g	d	x	x	x	x	4	6	2	3	2
837	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt f = A("f") g = B("g") i = B("i") c = A("c") a = A("a") d = A("d") b = B("b") f.v = d g.y = c i.y = f c.v = d a.v = d d.v = a b.y = d as...	a"	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt f = A("f") g = B("g") i = B("i") c = A("c") a = A("a") d = A("d") b = B("b") f.v = d g.y = c i.y = f c.v = d a.v = d d.v = a b.y = d as...	b	d	a	d	a	d	a	x	7	7	2	6	4
838	class A: def __init__(self, txt: str): self.z: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.t: B = None self.txt = txt d = A("d") b = B("b") g = A("g") e = B("e") i = B("i") h = A("h") c = B("c") d.z = h ...	d"	class A: def __init__(self, txt: str): self.z: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.t: B = None self.txt = txt d = A("d") b = B("b") g = A("g") e = B("e") i = B("i") h = A("h") c = B("c") d.z = h ...	i	e	d	h	d	x	x	x	7	12	2	4	1
839	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: A = None self.txt = txt h = A("h") b = B("b") i = B("i") h.z = i b.q = i b.w = h i.q = b i.w = h assert h.z.q.w.txt == "	h"	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: A = None self.txt = txt h = A("h") b = B("b") i = B("i") h.z = i b.q = i b.w = h i.q = b i.w = h assert h.z.q.w.txt == "h"	h	i	b	h	x	x	x	x	3	5	2	3	1
840	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") b = B("b") g = A("g") i = A("i") j = A("j") e = A("e") a = B("a") h.t = a b.w = i g.t = a i.t = b j.t = b e.t = a a.w = h as...	h"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") b = B("b") g = A("g") i = A("i") j = A("j") e = A("e") a = B("a") h.t = a b.w = i g.t = a i.t = b j.t = b e.t = a a.w = h as...	e	a	h	a	h	x	x	x	7	7	2	4	2
841	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") a = B("a") d = A("d") f = B("f") j = B("j") b = B("b") h.t = a a.t = b d.t = b f.t = a j.t = a b.t = f assert h.t.t.t.txt ==...	f"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") a = B("a") d = A("d") f = B("f") j = B("j") b = B("b") h.t = a a.t = b d.t = b f.t = a j.t = a b.t = f assert h.t.t.t.txt ==...	h	a	b	f	x	x	x	x	6	6	2	3	0
842	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt b = A("b") h = B("h") i = A("i") a = A("a") e = A("e") f = B("f") b.z = e h.y = f i.z = b a.z = b e.z = i f.y = h assert e.z.z.z.txt ==...	e"	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt b = A("b") h = B("h") i = A("i") a = A("a") e = A("e") f = B("f") b.z = e h.y = f i.z = b a.z = b e.z = i f.y = h assert e.z.z.z.txt ==...	e	i	b	e	x	x	x	x	6	6	2	3	1
843	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") b = B("b") j = B("j") h.p = b b.t = j j.t = b assert h.p.t.t.txt == "	b"	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") b = B("b") j = B("j") h.p = b b.t = j j.t = b assert h.p.t.t.txt == "b"	h	b	j	b	x	x	x	x	3	3	2	3	1
844	class A: def __init__(self, txt: str): self.x: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") d = B("d") h = B("h") b = B("b") c = B("c") g = B("g") i = A("i") f.x = i f.v = i d.x = h h.x = c b...	h"	class A: def __init__(self, txt: str): self.x: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") d = B("d") h = B("h") b = B("b") c = B("c") g = B("g") i = A("i") f.x = i f.v = i d.x = h h.x = c b...	c	d	h	c	d	h	x	x	7	7	2	5	3
845	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.u: B = None self.txt = txt a = A("a") e = B("e") f = A("f") h = B("h") i = A("i") b = A("b") a.y = e e.t = b e.u = h f.y = e h.t = i h.u ...	e"	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.u: B = None self.txt = txt a = A("a") e = B("e") f = A("f") h = B("h") i = A("i") b = A("b") a.y = e e.t = b e.u = h f.y = e h.t = i h.u ...	a	e	b	h	e	x	x	x	6	8	2	4	1
846	class A: def __init__(self, txt: str): self.y: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt g = A("g") h = B("h") j = A("j") f = B("f") g.y = j g.o = h h.p = j j.y = g j.o = f f.p = g assert h.p.y.y.y.t...	g"	class A: def __init__(self, txt: str): self.y: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt g = A("g") h = B("h") j = A("j") f = B("f") g.y = j g.o = h h.p = j j.y = g j.o = f f.p = g assert h.p.y.y.y.t...	h	j	g	j	g	x	x	x	4	6	2	4	2
847	class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt h = A("h") d = B("d") e = A("e") a = A("a") h.u = d h.r = d d.u = h e.u = d e.r = d a.u = d a.r = d assert e.u...	h"	class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt h = A("h") d = B("d") e = A("e") a = A("a") h.u = d h.r = d d.u = h e.u = d e.r = d a.u = d a.r = d assert e.u...	e	d	h	d	h	x	x	x	4	4	2	4	2
848	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") e = B("e") b = A("b") h.w = b e.w = h b.w = h assert b.w.w.w.txt == "	h"	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") e = B("e") b = A("b") h.w = b e.w = h b.w = h assert b.w.w.w.txt == "h"	b	h	b	h	x	x	x	x	3	3	2	3	2
849	class A: def __init__(self, txt: str): self.t: A = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.x: B = None self.txt = txt g = A("g") h = B("h") d = B("d") e = B("e") a = B("a") f = A("f") g.t = f g.s = h h.r...	f"	class A: def __init__(self, txt: str): self.t: A = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.x: B = None self.txt = txt g = A("g") h = B("h") d = B("d") e = B("e") a = B("a") f = A("f") g.t = f g.s = h h.r...	f	g	f	a	f	g	f	x	6	12	2	6	4
850	class A: def __init__(self, txt: str): self.z: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt h = A("h") d = B("d") c = A("c") b = B("b") h.z = c h.u = b d.v = c c.z = h c.u = d b.v = h assert d.v.u.v.u.t...	d"	class A: def __init__(self, txt: str): self.z: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt h = A("h") d = B("d") c = A("c") b = B("b") h.z = c h.u = b d.v = c c.z = h c.u = d b.v = h assert d.v.u.v.u.t...	d	c	d	c	d	x	x	x	4	6	2	4	3
851	class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.s: A = None self.txt = txt j = A("j") h = B("h") i = B("i") c = A("c") a = A("a") b = A("b") d = B("d") j.x = d ...	d"	class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.s: A = None self.txt = txt j = A("j") h = B("h") i = B("i") c = A("c") a = A("a") b = A("b") d = B("d") j.x = d ...	c	d	j	d	j	h	d	x	7	13	2	6	3
852	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: A = None self.txt = txt h = A("h") e = B("e") c = A("c") j = A("j") b = B("b") f = A("f") h.z = e e.s = j e.r = j c.z = b j.z = e b.s ...	j"	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: A = None self.txt = txt h = A("h") e = B("e") c = A("c") j = A("j") b = B("b") f = A("f") h.z = e e.s = j e.r = j c.z = b j.z = e b.s ...	e	j	e	j	x	x	x	x	6	6	2	3	2
853	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") c = B("c") j = A("j") g.o = j c.z = j j.o = g assert j.o.o.o.txt == "	g"	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") c = B("c") j = A("j") g.o = j c.z = j j.o = g assert j.o.o.o.txt == "g"	j	g	j	g	x	x	x	x	3	3	2	3	2
854	class A: def __init__(self, txt: str): self.p: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.txt = txt d = A("d") b = B("b") c = B("c") e = B("e") f = A("f") g = A("g") d.p = f d.u = e b.t = f c.t = f e.t = d f.p ...	f"	class A: def __init__(self, txt: str): self.p: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.txt = txt d = A("d") b = B("b") c = B("c") e = B("e") f = A("f") g = A("g") d.p = f d.u = e b.t = f c.t = f e.t = d f.p ...	e	d	e	d	e	d	f	x	6	9	2	6	4
855	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.t: A = None self.txt = txt g = A("g") h = B("h") c = A("c") g.z = h h.y = g h.t = g c.z = h assert h.y.z.y.txt == "	g"	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.t: A = None self.txt = txt g = A("g") h = B("h") c = A("c") g.z = h h.y = g h.t = g c.z = h assert h.y.z.y.txt == "g"	h	g	h	g	x	x	x	x	3	3	2	3	2
856	class A: def __init__(self, txt: str): self.y: B = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.u: B = None self.txt = txt e = A("e") c = B("c") a = A("a") f = B("f") b = A("b") j = B("j") g = A("g") e.y = f ...	f"	class A: def __init__(self, txt: str): self.y: B = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.u: B = None self.txt = txt e = A("e") c = B("c") a = A("a") f = B("f") b = A("b") j = B("j") g = A("g") e.y = f ...	f	g	j	b	f	x	x	x	7	14	2	4	1
857	class A: def __init__(self, txt: str): self.y: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") c = B("c") g = B("g") d = B("d") a = B("a") h = B("h") b = A("b") e.y = h e.p = b c.o = e g.o = b d...	b"	class A: def __init__(self, txt: str): self.y: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") c = B("c") g = B("g") d = B("d") a = B("a") h = B("h") b = A("b") e.y = h e.p = b c.o = e g.o = b d...	c	e	b	g	b	g	b	x	7	9	2	6	3
858	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.w: A = None self.txt = txt i = A("i") f = B("f") d = B("d") a = A("a") b = A("b") h = B("h") c = B("c") i.y = a f.x = d f.w = a d.x = c d...	a"	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.w: A = None self.txt = txt i = A("i") f = B("f") d = B("d") a = A("a") b = A("b") h = B("h") c = B("c") i.y = a f.x = d f.w = a d.x = c d...	f	a	i	a	i	a	i	a	7	11	2	7	5
859	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: B = None self.txt = txt j = A("j") d = B("d") a = B("a") g = A("g") e = B("e") j.v = g d.x = g d.t = a a.x = j a.t = e g.v = j e.x = j...	g"	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: B = None self.txt = txt j = A("j") d = B("d") a = B("a") g = A("g") e = B("e") j.v = g d.x = g d.t = a a.x = j a.t = e g.v = j e.x = j...	d	a	j	g	x	x	x	x	5	8	2	3	0
860	class A: def __init__(self, txt: str): self.u: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.x: A = None self.txt = txt f = A("f") g = B("g") b = B("b") a = B("a") j = B("j") f.u = g f.x = g g.r = j g.x = ...	j"	class A: def __init__(self, txt: str): self.u: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.x: A = None self.txt = txt f = A("f") g = B("g") b = B("b") a = B("a") j = B("j") f.u = g f.x = g g.r = j g.x = ...	a	f	g	j	x	x	x	x	5	9	2	3	0
861	class A: def __init__(self, txt: str): self.r: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt e = A("e") b = B("b") a = A("a") e.r = b e.w = b b.u = e a.r = b a.w = b assert e.w.u.r.txt == "	b"	class A: def __init__(self, txt: str): self.r: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt e = A("e") b = B("b") a = A("a") e.r = b e.w = b b.u = e a.r = b a.w = b assert e.w.u.r.txt == "b"	e	b	e	b	x	x	x	x	3	3	2	3	2
862	class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt e = A("e") d = B("d") g = A("g") j = A("j") e.x = g d.y = j g.x = e j.x = e assert e.x.x.x.txt == "	g"	class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt e = A("e") d = B("d") g = A("g") j = A("j") e.x = g d.y = j g.x = e j.x = e assert e.x.x.x.txt == "g"	e	g	e	g	x	x	x	x	4	4	2	3	2
863	class A: def __init__(self, txt: str): self.y: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt d = A("d") e = B("e") c = A("c") h = B("h") b = A("b") f = A("f") a = B("a") d.y = e ...	h"	class A: def __init__(self, txt: str): self.y: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt d = A("d") e = B("e") c = A("c") h = B("h") b = A("b") f = A("f") a = B("a") d.y = e ...	d	e	a	h	x	x	x	x	7	11	2	3	0
864	class A: def __init__(self, txt: str): self.u: A = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.o: A = None self.txt = txt b = A("b") j = B("j") c = A("c") g = B("g") f = B("f") h = A("h") d = A("d") b.u = c ...	g"	class A: def __init__(self, txt: str): self.u: A = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.o: A = None self.txt = txt b = A("b") j = B("j") c = A("c") g = B("g") f = B("f") h = A("h") d = A("d") b.u = c ...	j	b	c	b	g	f	b	g	7	14	2	7	3
865	class A: def __init__(self, txt: str): self.o: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.r: A = None self.txt = txt d = A("d") i = B("i") j = A("j") d.o = i d.v = i i.t = j i.r = j j.o = i j.v = i asse...	i"	class A: def __init__(self, txt: str): self.o: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.r: A = None self.txt = txt d = A("d") i = B("i") j = A("j") d.o = i d.v = i i.t = j i.r = j j.o = i j.v = i asse...	d	i	j	i	x	x	x	x	3	3	2	3	1
866	class A: def __init__(self, txt: str): self.s: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.s: A = None self.txt = txt c = A("c") h = B("h") f = A("f") c.s = f c.o = f h.p = f h.s = f f.s = c f.o = c asse...	f"	class A: def __init__(self, txt: str): self.s: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.s: A = None self.txt = txt c = A("c") h = B("h") f = A("f") c.s = f c.o = f h.p = f h.s = f f.s = c f.o = c asse...	c	f	c	f	x	x	x	x	3	3	2	3	2
867	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: B = None self.txt = txt i = A("i") b = B("b") f = B("f") g = A("g") i.v = g b.s = g b.r = f f.s = i f.r = b g.v = i assert i.v.v.v.txt...	g"	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: B = None self.txt = txt i = A("i") b = B("b") f = B("f") g = A("g") i.v = g b.s = g b.r = f f.s = i f.r = b g.v = i assert i.v.v.v.txt...	i	g	i	g	x	x	x	x	4	6	2	3	2
868	class A: def __init__(self, txt: str): self.v: A = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") g = B("g") d = B("d") j = B("j") c = A("c") b.v = c b.w = c g.o = c d.o = c j.o = c c.v = b c.w = b...	b"	class A: def __init__(self, txt: str): self.v: A = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") g = B("g") d = B("d") j = B("j") c = A("c") b.v = c b.w = c g.o = c d.o = c j.o = c c.v = b c.w = b...	d	c	b	c	b	x	x	x	5	5	2	4	2
869	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.u: A = None self.txt = txt a = A("a") j = B("j") e = B("e") h = B("h") d = B("d") g = B("g") b = A("b") a.x = e j.x = a j.u = a e.x = b e...	b"	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.u: A = None self.txt = txt a = A("a") j = B("j") e = B("e") h = B("h") d = B("d") g = B("g") b = A("b") a.x = e j.x = a j.u = a e.x = b e...	h	b	d	b	d	b	d	b	7	10	2	7	5
870	class A: def __init__(self, txt: str): self.q: B = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt c = A("c") d = B("d") g = B("g") j = B("j") b = B("b") f = A("f") h = A("h") c.q = d c.o = h d.r = j g.r = d j...	d"	class A: def __init__(self, txt: str): self.q: B = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt c = A("c") d = B("d") g = B("g") j = B("j") b = B("b") f = A("f") h = A("h") c.q = d c.o = h d.r = j g.r = d j...	g	d	j	d	x	x	x	x	7	10	2	3	1
871	class A: def __init__(self, txt: str): self.p: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") b = B("b") a = A("a") c = A("c") d = A("d") e = B("e") i = A("i") g.p = b g.u = b b.z = i a.p = b a...	i"	class A: def __init__(self, txt: str): self.p: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") b = B("b") a = A("a") c = A("c") d = A("d") e = B("e") i = A("i") g.p = b g.u = b b.z = i a.p = b a...	i	b	i	e	g	b	i	x	7	8	2	6	3
872	class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") e = B("e") f = A("f") h = B("h") g = B("g") d = A("d") i.q = j i.r = g j.v = d e.v = i f...	g"	class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") e = B("e") f = A("f") h = B("h") g = B("g") d = A("d") i.q = j i.r = g j.v = d e.v = i f...	j	d	g	f	j	d	g	x	7	9	2	6	3
873	class A: def __init__(self, txt: str): self.r: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") c = B("c") b = A("b") d.r = c d.w = b c.p = d b.r = c b.w = d assert b.r.p.r.txt == "	c"	class A: def __init__(self, txt: str): self.r: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") c = B("c") b = A("b") d.r = c d.w = b c.p = d b.r = c b.w = d assert b.r.p.r.txt == "c"	b	c	d	c	x	x	x	x	3	5	2	3	1
874	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.q: A = None self.txt = txt h = A("h") b = B("b") c = A("c") f = A("f") i = B("i") e = A("e") a = B("a") h.t = b b.p = e b.q = c c.t = b f...	b"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.q: A = None self.txt = txt h = A("h") b = B("b") c = A("c") f = A("f") i = B("i") e = A("e") a = B("a") h.t = b b.p = e b.q = c c.t = b f...	a	c	b	e	a	c	b	x	7	10	2	6	3
875	class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt b = A("b") c = B("c") d = B("d") h = B("h") i = A("i") a = A("a") f = B("f") b.q = h ...	c"	class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt b = A("b") c = B("c") d = B("d") h = B("h") i = A("i") a = A("a") f = B("f") b.q = h ...	b	d	c	d	c	x	x	x	7	14	2	4	2
876	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.r: B = None self.txt = txt f = A("f") c = B("c") b = A("b") a = A("a") h = B("h") d = A("d") f.z = h c.t = h c.r = h b.z = c a.z = h h.t ...	h"	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.r: B = None self.txt = txt f = A("f") c = B("c") b = A("b") a = A("a") h = B("h") d = A("d") f.z = h c.t = h c.r = h b.z = c a.z = h h.t ...	a	h	c	h	c	h	x	x	6	6	2	5	3
877	class A: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.v: A = None self.txt = txt h = A("h") g = B("g") j = B("j") e = B("e") h.w = e h.t = g g.q = h g.v = h j.q = h j...	h"	class A: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.v: A = None self.txt = txt h = A("h") g = B("g") j = B("j") e = B("e") h.w = e h.t = g g.q = h g.v = h j.q = h j...	g	h	e	h	x	x	x	x	4	5	2	3	1
878	class A: def __init__(self, txt: str): self.v: A = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.x: B = None self.txt = txt c = A("c") d = B("d") i = A("i") b = A("b") g = B("g") c.v = b c.q = b d.v = c d.x = ...	c"	class A: def __init__(self, txt: str): self.v: A = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.x: B = None self.txt = txt c = A("c") d = B("d") i = A("i") b = A("b") g = B("g") c.v = b c.q = b d.v = c d.x = ...	d	c	b	i	c	x	x	x	5	7	2	4	1
879	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") f = B("f") d = B("d") a = A("a") i = A("i") j = A("j") g = B("g") b.p = d f.o = a d.o = a a.p = d i.p = f j.p = d g.o = j as...	a"	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") f = B("f") d = B("d") a = A("a") i = A("i") j = A("j") g = B("g") b.p = d f.o = a d.o = a a.p = d i.p = f j.p = d g.o = j as...	j	d	a	d	a	d	a	x	7	7	2	6	4
880	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt h = A("h") a = B("a") b = A("b") j = A("j") i = B("i") h.y = j a.s = i b.y = j j.y = b i.s = a assert i.s.s.s.s.s.txt == "	a"	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt h = A("h") a = B("a") b = A("b") j = A("j") i = B("i") h.y = j a.s = i b.y = j j.y = b i.s = a assert i.s.s.s.s.s.txt == "a"	i	a	i	a	i	a	x	x	5	5	2	5	4
881	class A: def __init__(self, txt: str): self.r: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.s: A = None self.txt = txt i = A("i") h = B("h") a = A("a") g = A("g") d = B("d") i.r = g i.u = d h.y = i h.s = ...	d"	class A: def __init__(self, txt: str): self.r: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.s: A = None self.txt = txt i = A("i") h = B("h") a = A("a") g = A("g") d = B("d") i.r = g i.u = d h.y = i h.s = ...	i	d	i	g	d	x	x	x	5	10	2	4	2
882	class A: def __init__(self, txt: str): self.v: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.w: A = None self.txt = txt c = A("c") j = B("j") d = A("d") i = B("i") a = A("a") c.v = i c.o = j j.y = i j.w = ...	j"	class A: def __init__(self, txt: str): self.v: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.w: A = None self.txt = txt c = A("c") j = B("j") d = A("d") i = B("i") a = A("a") c.v = i c.o = j j.y = i j.w = ...	i	j	a	j	i	j	x	x	5	9	2	5	3
883	class A: def __init__(self, txt: str): self.w: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") h = B("h") i = B("i") j = B("j") a = A("a") c = B("c") d = B("d") f.w = d f.p = a h.s = i i.s = c j...	d"	class A: def __init__(self, txt: str): self.w: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") h = B("h") i = B("i") j = B("j") a = A("a") c = B("c") d = B("d") f.w = d f.p = a h.s = i i.s = c j...	d	c	d	c	d	x	x	x	7	9	2	4	3
884	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt h = A("h") i = B("i") j = A("j") e = B("e") h.z = j i.o = e j.z = h e.o = i assert h.z.z.z.txt == "	j"	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt h = A("h") i = B("i") j = A("j") e = B("e") h.z = j i.o = e j.z = h e.o = i assert h.z.z.z.txt == "j"	h	j	h	j	x	x	x	x	4	4	2	3	2
885	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.o: B = None self.txt = txt h = A("h") b = B("b") j = B("j") g = A("g") e = A("e") f = B("f") a = A("a") h.r = g b.p = f b.o = f j.p = f j...	h"	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.o: B = None self.txt = txt h = A("h") b = B("b") j = B("j") g = A("g") e = A("e") f = B("f") a = A("a") h.r = g b.p = f b.o = f j.p = f j...	g	h	g	h	x	x	x	x	7	8	2	3	2
886	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt e = A("e") j = B("j") b = A("b") g = B("g") d = A("d") e.v = b j.t = g b.v = e g.t = j d.v = e assert d.v.v.v.v.v.txt == "	e"	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt e = A("e") j = B("j") b = A("b") g = B("g") d = A("d") e.v = b j.t = g b.v = e g.t = j d.v = e assert d.v.v.v.v.v.txt == "e"	d	e	b	e	b	e	x	x	5	5	2	5	3
887	class A: def __init__(self, txt: str): self.s: B = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.s: A = None self.txt = txt e = A("e") c = B("c") d = A("d") g = B("g") i = B("i") e.s = c e.x = d c.z = e c.s = ...	d"	class A: def __init__(self, txt: str): self.s: B = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.s: A = None self.txt = txt e = A("e") c = B("c") d = A("d") g = B("g") i = B("i") e.s = c e.x = d c.z = e c.s = ...	i	d	e	d	x	x	x	x	5	9	2	3	1
888	class A: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt d = A("d") i = B("i") c = B("c") f = B("f") h = A("h") b = B("b") a = A("a") d.q = a d.o = c i.q = d c.q = d f...	a"	class A: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt d = A("d") i = B("i") c = B("c") f = B("f") h = A("h") b = B("b") a = A("a") d.q = a d.o = c i.q = d c.q = d f...	i	d	a	d	c	d	a	x	7	10	2	6	3
889	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.t: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.t = j j.r = c j.t = d c.r = j c.t = d assert d.t.r.r.txt == "	j"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.t: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.t = j j.r = c j.t = d c.r = j c.t = d assert d.t.r.r.txt == "j"	d	j	c	j	x	x	x	x	3	5	2	3	1
890	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") g = B("g") h = A("h") i.w = h j.v = i g.v = i h.w = i assert i.w.w.w.txt == "	h"	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") g = B("g") h = A("h") i.w = h j.v = i g.v = i h.w = i assert i.w.w.w.txt == "h"	i	h	i	h	x	x	x	x	4	4	2	3	2
891	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt a = A("a") f = B("f") e = B("e") i = B("i") d = B("d") a.q = e f.q = a f.o = d e.q = a e.o = f i.q = a i.o = f...	f"	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt a = A("a") f = B("f") e = B("e") i = B("i") d = B("d") a.q = e f.q = a f.o = d e.q = a e.o = f i.q = a i.o = f...	a	e	a	e	f	x	x	x	5	9	2	4	2
892	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt f = A("f") a = B("a") h = A("h") f.q = a a.p = f h.q = a assert a.p.q.p.txt == "	f"	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt f = A("f") a = B("a") h = A("h") f.q = a a.p = f h.q = a assert a.p.q.p.txt == "f"	a	f	a	f	x	x	x	x	3	3	2	3	2
893	class A: def __init__(self, txt: str): self.v: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") i = B("i") f = B("f") c = A("c") g.v = i g.y = c i.x = g f.x = c c.v = i c.y = g assert f.x.v.x.v.t...	i"	class A: def __init__(self, txt: str): self.v: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") i = B("i") f = B("f") c = A("c") g.v = i g.y = c i.x = g f.x = c c.v = i c.y = g assert f.x.v.x.v.t...	f	c	i	g	i	x	x	x	4	6	2	4	1
894	class A: def __init__(self, txt: str): self.q: A = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.z: B = None self.txt = txt a = A("a") b = B("b") i = A("i") f = B("f") h = B("h") a.q = i a.x = b b.y = a b.z = ...	i"	class A: def __init__(self, txt: str): self.q: A = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.z: B = None self.txt = txt a = A("a") b = B("b") i = A("i") f = B("f") h = B("h") a.q = i a.x = b b.y = a b.z = ...	f	a	i	h	i	x	x	x	5	10	2	4	1
895	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt b = A("b") i = B("i") g = A("g") f = A("f") c = A("c") a = B("a") h = B("h") b.u = h i.r = h g.u = h f.u = a c.u = h a.r = h h.r = a as...	a"	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt b = A("b") i = B("i") g = A("g") f = A("f") c = A("c") a = B("a") h = B("h") b.u = h i.r = h g.u = h f.u = a c.u = h a.r = h h.r = a as...	b	h	a	h	a	x	x	x	7	7	2	4	2
896	class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: A = None self.txt = txt j = A("j") i = B("i") c = B("c") h = B("h") j.u = i j.r = i i.x = j i.t = j c.x = j c...	i"	class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: A = None self.txt = txt j = A("j") i = B("i") c = B("c") h = B("h") j.u = i j.r = i i.x = j i.t = j c.x = j c...	j	i	j	i	x	x	x	x	4	4	2	3	2
897	class A: def __init__(self, txt: str): self.t: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.y: B = None self.txt = txt g = A("g") b = B("b") e = B("e") i = B("i") j = B("j") d = B("d") a = B("a") g.t = d ...	d"	class A: def __init__(self, txt: str): self.t: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.y: B = None self.txt = txt g = A("g") b = B("b") e = B("e") i = B("i") j = B("j") d = B("d") a = B("a") g.t = d ...	g	j	g	d	b	d	x	x	7	14	2	5	2
898	class A: def __init__(self, txt: str): self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.z: B = None self.txt = txt d = A("d") i = B("i") f = A("f") b = B("b") d.q = f i.r = d i.z = b f.q = d b.r = d b.z = i assert d.q.q.q.q.t...	d"	class A: def __init__(self, txt: str): self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.z: B = None self.txt = txt d = A("d") i = B("i") f = A("f") b = B("b") d.q = f i.r = d i.z = b f.q = d b.r = d b.z = i assert d.q.q.q.q.t...	d	f	d	f	d	x	x	x	4	6	2	4	3
899	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt e = A("e") c = B("c") j = A("j") b = A("b") e.r = j c.z = b j.r = e b.r = j assert b.r.r.r.r.txt == "	e"	class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt e = A("e") c = B("c") j = A("j") b = A("b") e.r = j c.z = b j.r = e b.r = j assert b.r.r.r.r.txt == "e"	b	j	e	j	e	x	x	x	4	4	2	4	2

800

class A: def __init__(self, txt: str): self.s: B = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.z: A = None self.txt = txt h = A("h") d = B("d") a = B("a") f = A("f") h.s = a h.t = f d.q = f d.z = h a.q = f a...

f"

class A: def __init__(self, txt: str): self.s: B = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.z: A = None self.txt = txt h = A("h") d = B("d") a = B("a") f = A("f") h.s = a h.t = f d.q = f d.z = h a.q = f a...

h

f

a

f

x

4

7

2

3

1

801

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt h = A("h") j = B("j") d = B("d") b = A("b") e = A("e") h.r = b j.q = d d.q = j b.r = h e.r = h assert j.q.q.q.txt == "

d"

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt h = A("h") j = B("j") d = B("d") b = A("b") e = A("e") h.r = b j.q = d d.q = j b.r = h e.r = h assert j.q.q.q.txt == "d"

j

d

j

d

x

5

2

3

2

802

class A: def __init__(self, txt: str): self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.u: A = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") c.s = j d.q = j d.u = c j.q = d j.u = h h.s = d assert d.u.s.u.txt...

h"

class A: def __init__(self, txt: str): self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.u: A = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") c.s = j d.q = j d.u = c j.q = d j.u = h h.s = d assert d.u.s.u.txt...

d

c

j

h

x

4

6

2

3

0

803

class A: def __init__(self, txt: str): self.o: B = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt d = A("d") c = B("c") h = B("h") a = B("a") b = A("b") f = A("f") j = A("j") d.o = a d.p = a c.s = a h.s = a a...

h"

class A: def __init__(self, txt: str): self.o: B = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt d = A("d") c = B("c") h = B("h") a = B("a") b = A("b") f = A("f") j = A("j") d.o = a d.p = a c.s = a h.s = a a...

d

a

h

a

h

x

7

8

2

4

2

804

class A: def __init__(self, txt: str): self.s: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt h = A("h") j = B("j") d = A("d") c = A("c") e = A("e") i = B("i") f = A("f") h.s = f ...

i"

class A: def __init__(self, txt: str): self.s: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt h = A("h") j = B("j") d = A("d") c = A("c") e = A("e") i = B("i") f = A("f") h.s = f ...

d

i

j

f

j

i

j

i

7

14

2

7

4

805

class A: def __init__(self, txt: str): self.y: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt h = A("h") d = B("d") g = B("g") a = B("a") c = B("c") h.y = d h.x = d d.p = a g.p = a a.p = d c.p = g assert ...

d"

class A: def __init__(self, txt: str): self.y: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt h = A("h") d = B("d") g = B("g") a = B("a") c = B("c") h.y = d h.x = d d.p = a g.p = a a.p = d c.p = g assert ...

c

g

a

d

x

5

2

3

0

806

class A: def __init__(self, txt: str): self.s: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt g = A("g") e = B("e") c = B("c") i = B("i") f = B("f") h = A("h") g.s = i g.w = h e.s = i c.s = e i.s = e f.s ...

e"

class A: def __init__(self, txt: str): self.s: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt g = A("g") e = B("e") c = B("c") i = B("i") f = B("f") h = A("h") g.s = i g.w = h e.s = i c.s = e i.s = e f.s ...

g

i

e

i

e

i

e

x

6

8

2

6

4

807

class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.y: A = None self.txt = txt d = A("d") c = B("c") f = B("f") a = B("a") j = A("j") b = A("b") d.o = c c.r = a c.y = d f.r = c f.y = j a.r ...

d"

class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.y: A = None self.txt = txt d = A("d") c = B("c") f = B("f") a = B("a") j = A("j") b = A("b") d.o = c c.r = a c.y = d f.r = c f.y = j a.r ...

c

a

c

d

x

6

9

2

3

1

808

class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt d = A("d") g = B("g") b = A("b") f = A("f") e = A("e") j = B("j") h = B("h") d.u = f g.w = b b.u = d f.u = e e.u = d j.w = d h.w = e as...

e"

class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt d = A("d") g = B("g") b = A("b") f = A("f") e = A("e") j = B("j") h = B("h") d.u = f g.w = b b.u = d f.u = e e.u = d j.w = d h.w = e as...

e

d

f

e

x

7

2

3

1

809

class A: def __init__(self, txt: str): self.x: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt c = A("c") d = B("d") f = B("f") g = A("g") i = B("i") h = B("h") c.x = g c.y = g d.o = f f.o = d g.x = c g.y ...

f"

class A: def __init__(self, txt: str): self.x: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt c = A("c") d = B("d") f = B("f") g = A("g") i = B("i") h = B("h") c.x = g c.y = g d.o = f f.o = d g.x = c g.y ...

f

d

f

d

f

x

6

2

4

3

810

class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.txt = txt h = A("h") b = B("b") f = A("f") e = B("e") c = B("c") h.w = f b.w = c f.w = h e.w = b c.w = b assert c.w.w.w.w.w.txt == "

b"

class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.txt = txt h = A("h") b = B("b") f = A("f") e = B("e") c = B("c") h.w = f b.w = c f.w = h e.w = b c.w = b assert c.w.w.w.w.w.txt == "b"

c

b

c

b

c

b

x

5

2

5

4

811

class A: def __init__(self, txt: str): self.q: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.z: A = None self.txt = txt c = A("c") j = B("j") d = A("d") c.q = d c.o = d j.w = c j.z = d d.q = c d.o = c asse...

d"

class A: def __init__(self, txt: str): self.q: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.z: A = None self.txt = txt c = A("c") j = B("j") d = A("d") c.q = d c.o = d j.w = c j.z = d d.q = c d.o = c asse...

c

d

c

d

x

3

4

2

3

2

812

class A: def __init__(self, txt: str): self.x: A = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") d = B("d") c = A("c") h = B("h") g.x = c g.p = d d.x = g c.x = g c.p = h h.x = g assert c.p.x.x.p.t...

h"

class A: def __init__(self, txt: str): self.x: A = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") d = B("d") c = A("c") h = B("h") g.x = c g.p = d d.x = g c.x = g c.p = h h.x = g assert c.p.x.x.p.t...

c

h

g

c

h

x

4

6

2

4

2

813

class A: def __init__(self, txt: str): self.x: B = None self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.u: A = None self.txt = txt b = A("b") c = B("c") d = B("d") a = A("a") f = B("f") e = A("e") b.x = d b.r = e c.r...

a"

class A: def __init__(self, txt: str): self.x: B = None self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.u: A = None self.txt = txt b = A("b") c = B("c") d = B("d") a = A("a") f = B("f") e = A("e") b.x = d b.r = e c.r...

a

b

d

a

x

6

12

2

3

1

814

class A: def __init__(self, txt: str): self.u: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.u: A = None self.txt = txt c = A("c") j = B("j") h = A("h") i = B("i") a = A("a") c.u = i c.q = h j.o = i j.u = ...

i"

class A: def __init__(self, txt: str): self.u: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.u: A = None self.txt = txt c = A("c") j = B("j") h = A("h") i = B("i") a = A("a") c.u = i c.q = h j.o = i j.u = ...

c

h

i

j

c

i

x

5

10

2

5

2

815

class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt b = A("b") g = B("g") h = A("h") c = A("c") i = A("i") j = B("j") b.u = g g.z = j h.u = j c.u = g i.u = g j.z = g assert j.z.z.z.txt ==...

g"

class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt b = A("b") g = B("g") h = A("h") c = A("c") i = A("i") j = B("j") b.u = g g.z = j h.u = j c.u = g i.u = g j.z = g assert j.z.z.z.txt ==...

j

g

j

g

x

6

2

3

2

816

class A: def __init__(self, txt: str): self.q: A = None self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.s: A = None self.txt = txt c = A("c") j = B("j") a = A("a") g = A("g") i = B("i") h = B("h") c.q = g c.s = a j.p...

c"

class A: def __init__(self, txt: str): self.q: A = None self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.s: A = None self.txt = txt c = A("c") j = B("j") a = A("a") g = A("g") i = B("i") h = B("h") c.q = g c.s = a j.p...

g

a

g

c

x

6

12

2

3

1

817

class A: def __init__(self, txt: str): self.p: B = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.r: B = None self.txt = txt j = A("j") i = B("i") d = A("d") f = A("f") h = B("h") j.p = h j.v = f i.u = d i.r = ...

j"

class A: def __init__(self, txt: str): self.p: B = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.r: B = None self.txt = txt j = A("j") i = B("i") d = A("d") f = A("f") h = B("h") j.p = h j.v = f i.u = d i.r = ...

d

i

h

j

x

5

10

2

3

0

818

class A: def __init__(self, txt: str): self.p: A = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt c = A("c") d = B("d") i = B("i") g = B("g") e = A("e") f = A("f") b = A("b") c.p = f c.z = g d.x = g i.x = d g...

g"

class A: def __init__(self, txt: str): self.p: A = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt c = A("c") d = B("d") i = B("i") g = B("g") e = A("e") f = A("f") b = A("b") c.p = f c.z = g d.x = g i.x = d g...

e

d

g

d

g

d

g

x

7

11

2

6

4

819

class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt b = A("b") c = B("c") g = B("g") e = A("e") b.u = e b.x = e c.z = e g.z = e e.u = b e.x = b assert e.x.u.u.txt...

b"

class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt b = A("b") c = B("c") g = B("g") e = A("e") b.u = e b.x = e c.z = e g.z = e e.u = b e.x = b assert e.x.u.u.txt...

e

b

e

b

x

4

2

3

2

820

class A: def __init__(self, txt: str): self.z: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt b = A("b") d = B("d") h = B("h") f = B("f") a = A("a") b.z = a b.y = a d.y = a h.y = a f.y = b a.z = b a.y = b...

b"

class A: def __init__(self, txt: str): self.z: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt b = A("b") d = B("d") h = B("h") f = B("f") a = A("a") b.z = a b.y = a d.y = a h.y = a f.y = b a.z = b a.y = b...

a

b

a

b

x

5

2

3

2

821

class A: def __init__(self, txt: str): self.v: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt j = A("j") c = B("c") h = B("h") i = B("i") b = A("b") j.v = b j.r = i c.y = b h.y = j i.y = b b.v = j b.r = i...

i"

class A: def __init__(self, txt: str): self.v: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt j = A("j") c = B("c") h = B("h") i = B("i") b = A("b") j.v = b j.r = i c.y = b h.y = j i.y = b b.v = j b.r = i...

i

b

i

b

i

x

5

7

2

4

3

822

class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") j = B("j") c = A("c") e = A("e") i = B("i") a = A("a") b = B("b") f.o = a j.u = b c.o = f e.o = c i.u = b a.o = c b.u = j as...

f"

class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") j = B("j") c = A("c") e = A("e") i = B("i") a = A("a") b = B("b") f.o = a j.u = b c.o = f e.o = c i.u = b a.o = c b.u = j as...

a

c

f

a

c

f

x

7

2

5

3

823

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt g = A("g") d = B("d") h = A("h") f = B("f") a = B("a") b = A("b") c = B("c") g.r = h d.z = f h.r = g f.z = c a.z = f b.r = g c.z = f as...

h"

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.txt = txt g = A("g") d = B("d") h = A("h") f = B("f") a = B("a") b = A("b") c = B("c") g.r = h d.z = f h.r = g f.z = c a.z = f b.r = g c.z = f as...

b

g

h

g

h

g

h

x

7

2

6

4

824

class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt e = A("e") f = B("f") h = A("h") d = A("d") e.x = f e.t = f f.p = d h.x = f h.t = f d.x = f d.t = f assert e.t...

d"

class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt e = A("e") f = B("f") h = A("h") d = A("d") e.x = f e.t = f f.p = d h.x = f h.t = f d.x = f d.t = f assert e.t...

e

f

d

f

d

x

4

2

4

2

825

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.w: A = None self.txt = txt a = A("a") b = B("b") i = A("i") a.q = b b.s = a b.w = i i.q = b assert i.q.w.q.txt == "

b"

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.w: A = None self.txt = txt a = A("a") b = B("b") i = A("i") a.q = b b.s = a b.w = i i.q = b assert i.q.w.q.txt == "b"

i

b

i

b

x

3

4

2

3

2

826

class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") j = B("j") g = B("g") h.o = g j.w = h g.w = h assert j.w.o.w.txt == "

h"

class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") j = B("j") g = B("g") h.o = g j.w = h g.w = h assert j.w.o.w.txt == "h"

j

h

g

h

x

3

2

3

1

827

class A: def __init__(self, txt: str): self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") f = B("f") e = A("e") g = A("g") c.s = g d.v = j j.v = f h.s = g f.v = j e.s = c g.s = h as...

f"

class A: def __init__(self, txt: str): self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt c = A("c") d = B("d") j = B("j") h = A("h") f = B("f") e = A("e") g = A("g") c.s = g d.v = j j.v = f h.s = g f.v = j e.s = c g.s = h as...

d

j

f

j

f

j

f

x

7

2

6

4

828

class A: def __init__(self, txt: str): self.v: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt b = A("b") d = B("d") i = B("i") a = A("a") e = B("e") c = B("c") h = B("h") b.v = d b.w = d d.u = a i.u = b a...

c"

class A: def __init__(self, txt: str): self.v: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt b = A("b") d = B("d") i = B("i") a = A("a") e = B("e") c = B("c") h = B("h") b.v = d b.w = d d.u = a i.u = b a...

e

a

h

a

c

a

c

x

7

8

2

6

3

829

class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt e = A("e") c = B("c") d = B("d") f = A("f") e.u = f e.x = f c.x = d d.x = c f.u = e f.x = e assert f.x.u.x.txt...

e"

class A: def __init__(self, txt: str): self.u: A = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt e = A("e") c = B("c") d = B("d") f = A("f") e.u = f e.x = f c.x = d d.x = c f.u = e f.x = e assert f.x.u.x.txt...

f

e

f

e

x

4

2

3

2

830

class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt d = A("d") c = B("c") e = B("e") j = B("j") h = A("h") d.x = h c.u = d e.u = d j.u = h h.x = d assert e.u.x.x.x.x.txt == "

d"

class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt d = A("d") c = B("c") e = B("e") j = B("j") h = A("h") d.x = h c.u = d e.u = d j.u = h h.x = d assert e.u.x.x.x.x.txt == "d"

e

d

h

d

h

d

x

5

2

5

3

831

class A: def __init__(self, txt: str): self.w: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt c = A("c") f = B("f") e = B("e") a = A("a") h = A("h") c.w = h c.v = h f.u = e e.u = f a.w = h a.v = c h.w = c...

h"

class A: def __init__(self, txt: str): self.w: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt c = A("c") f = B("f") e = B("e") a = A("a") h = A("h") c.w = h c.v = h f.u = e e.u = f a.w = h a.v = c h.w = c...

h

c

h

c

h

x

5

7

2

4

3

832

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.x: A = None self.txt = txt i = A("i") e = B("e") j = B("j") f = B("f") i.z = f e.q = i e.x = i j.q = i j.x = i f.q = i f.x = i assert i.z...

f"

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.x: A = None self.txt = txt i = A("i") e = B("e") j = B("j") f = B("f") i.z = f e.q = i e.x = i j.q = i j.x = i f.q = i f.x = i assert i.z...

i

f

i

f

x

4

2

3

2

833

class A: def __init__(self, txt: str): self.v: B = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") g = B("g") j = A("j") h = A("h") f = A("f") a = A("a") b = B("b") e.v = g e.z = b g.o = e j.v = b j...

b"

class A: def __init__(self, txt: str): self.v: B = None self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") g = B("g") j = A("j") h = A("h") f = A("f") a = A("a") b = B("b") e.v = g e.z = b g.o = e j.v = b j...

f

b

a

b

x

7

10

2

3

1

834

class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.p: B = None self.txt = txt e = A("e") d = B("d") b = B("b") h = A("h") e.p = h d.v = b d.p = b b.v = d b.p = d h.p = e assert e.p.p.p.p.t...

e"

class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.p: B = None self.txt = txt e = A("e") d = B("d") b = B("b") h = A("h") e.p = h d.v = b d.p = b b.v = d b.p = d h.p = e assert e.p.p.p.p.t...

e

h

e

h

e

x

4

2

4

3

835

class A: def __init__(self, txt: str): self.u: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt g = A("g") d = B("d") j = B("j") i = A("i") g.u = d g.v = j d.v = j j.v = d i.u = j i.v = d assert j.v.v.v.v.t...

j"

class A: def __init__(self, txt: str): self.u: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt g = A("g") d = B("d") j = B("j") i = A("i") g.u = d g.v = j d.v = j j.v = d i.u = j i.v = d assert j.v.v.v.v.t...

j

d

j

d

j

x

4

6

2

4

3

836

class A: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt a = A("a") d = B("d") g = B("g") e = A("e") a.u = d a.y = e d.q = g g.q = d e.u = g e.y = a assert g.q.q.q.txt...

d"

class A: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt a = A("a") d = B("d") g = B("g") e = A("e") a.u = d a.y = e d.q = g g.q = d e.u = g e.y = a assert g.q.q.q.txt...

g

d

g

d

x

4

6

2

3

2

837

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt f = A("f") g = B("g") i = B("i") c = A("c") a = A("a") d = A("d") b = B("b") f.v = d g.y = c i.y = f c.v = d a.v = d d.v = a b.y = d as...

a"

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt f = A("f") g = B("g") i = B("i") c = A("c") a = A("a") d = A("d") b = B("b") f.v = d g.y = c i.y = f c.v = d a.v = d d.v = a b.y = d as...

b

d

a

d

a

d

a

x

7

2

6

4

838

class A: def __init__(self, txt: str): self.z: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.t: B = None self.txt = txt d = A("d") b = B("b") g = A("g") e = B("e") i = B("i") h = A("h") c = B("c") d.z = h ...

d"

class A: def __init__(self, txt: str): self.z: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.t: B = None self.txt = txt d = A("d") b = B("b") g = A("g") e = B("e") i = B("i") h = A("h") c = B("c") d.z = h ...

i

e

d

h

d

x

7

12

2

4

1

839

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: A = None self.txt = txt h = A("h") b = B("b") i = B("i") h.z = i b.q = i b.w = h i.q = b i.w = h assert h.z.q.w.txt == "

h"

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: A = None self.txt = txt h = A("h") b = B("b") i = B("i") h.z = i b.q = i b.w = h i.q = b i.w = h assert h.z.q.w.txt == "h"

h

i

b

h

x

3

5

2

3

1

840

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") b = B("b") g = A("g") i = A("i") j = A("j") e = A("e") a = B("a") h.t = a b.w = i g.t = a i.t = b j.t = b e.t = a a.w = h as...

h"

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") b = B("b") g = A("g") i = A("i") j = A("j") e = A("e") a = B("a") h.t = a b.w = i g.t = a i.t = b j.t = b e.t = a a.w = h as...

e

a

h

a

h

x

7

2

4

2

841

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") a = B("a") d = A("d") f = B("f") j = B("j") b = B("b") h.t = a a.t = b d.t = b f.t = a j.t = a b.t = f assert h.t.t.t.txt ==...

f"

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") a = B("a") d = A("d") f = B("f") j = B("j") b = B("b") h.t = a a.t = b d.t = b f.t = a j.t = a b.t = f assert h.t.t.t.txt ==...

h

a

b

f

x

6

2

3

0

842

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt b = A("b") h = B("h") i = A("i") a = A("a") e = A("e") f = B("f") b.z = e h.y = f i.z = b a.z = b e.z = i f.y = h assert e.z.z.z.txt ==...

e"

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt b = A("b") h = B("h") i = A("i") a = A("a") e = A("e") f = B("f") b.z = e h.y = f i.z = b a.z = b e.z = i f.y = h assert e.z.z.z.txt ==...

e

i

b

e

x

6

2

3

1

843

class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") b = B("b") j = B("j") h.p = b b.t = j j.t = b assert h.p.t.t.txt == "

b"

class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") b = B("b") j = B("j") h.p = b b.t = j j.t = b assert h.p.t.t.txt == "b"

h

b

j

b

x

3

2

3

1

844

class A: def __init__(self, txt: str): self.x: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") d = B("d") h = B("h") b = B("b") c = B("c") g = B("g") i = A("i") f.x = i f.v = i d.x = h h.x = c b...

h"

class A: def __init__(self, txt: str): self.x: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") d = B("d") h = B("h") b = B("b") c = B("c") g = B("g") i = A("i") f.x = i f.v = i d.x = h h.x = c b...

c

d

h

c

d

h

x

7

2

5

3

845

class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.u: B = None self.txt = txt a = A("a") e = B("e") f = A("f") h = B("h") i = A("i") b = A("b") a.y = e e.t = b e.u = h f.y = e h.t = i h.u ...

e"

class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.u: B = None self.txt = txt a = A("a") e = B("e") f = A("f") h = B("h") i = A("i") b = A("b") a.y = e e.t = b e.u = h f.y = e h.t = i h.u ...

a

e

b

h

e

x

6

8

2

4

1

846

class A: def __init__(self, txt: str): self.y: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt g = A("g") h = B("h") j = A("j") f = B("f") g.y = j g.o = h h.p = j j.y = g j.o = f f.p = g assert h.p.y.y.y.t...

g"

class A: def __init__(self, txt: str): self.y: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt g = A("g") h = B("h") j = A("j") f = B("f") g.y = j g.o = h h.p = j j.y = g j.o = f f.p = g assert h.p.y.y.y.t...

h

j

g

j

g

x

4

6

2

4

2

847

class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt h = A("h") d = B("d") e = A("e") a = A("a") h.u = d h.r = d d.u = h e.u = d e.r = d a.u = d a.r = d assert e.u...

h"

class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt h = A("h") d = B("d") e = A("e") a = A("a") h.u = d h.r = d d.u = h e.u = d e.r = d a.u = d a.r = d assert e.u...

e

d

h

d

h

x

4

2

4

2

848

class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") e = B("e") b = A("b") h.w = b e.w = h b.w = h assert b.w.w.w.txt == "

h"

class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt h = A("h") e = B("e") b = A("b") h.w = b e.w = h b.w = h assert b.w.w.w.txt == "h"

b

h

b

h

x

3

2

3

2

849

class A: def __init__(self, txt: str): self.t: A = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.x: B = None self.txt = txt g = A("g") h = B("h") d = B("d") e = B("e") a = B("a") f = A("f") g.t = f g.s = h h.r...

f"

class A: def __init__(self, txt: str): self.t: A = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.x: B = None self.txt = txt g = A("g") h = B("h") d = B("d") e = B("e") a = B("a") f = A("f") g.t = f g.s = h h.r...

f

g

f

a

f

g

f

x

6

12

2

6

4

850

class A: def __init__(self, txt: str): self.z: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt h = A("h") d = B("d") c = A("c") b = B("b") h.z = c h.u = b d.v = c c.z = h c.u = d b.v = h assert d.v.u.v.u.t...

d"

class A: def __init__(self, txt: str): self.z: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt h = A("h") d = B("d") c = A("c") b = B("b") h.z = c h.u = b d.v = c c.z = h c.u = d b.v = h assert d.v.u.v.u.t...

d

c

d

c

d

x

4

6

2

4

3

851

class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.s: A = None self.txt = txt j = A("j") h = B("h") i = B("i") c = A("c") a = A("a") b = A("b") d = B("d") j.x = d ...

d"

class A: def __init__(self, txt: str): self.x: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.s: A = None self.txt = txt j = A("j") h = B("h") i = B("i") c = A("c") a = A("a") b = A("b") d = B("d") j.x = d ...

c

d

j

d

j

h

d

x

7

13

2

6

3

852

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: A = None self.txt = txt h = A("h") e = B("e") c = A("c") j = A("j") b = B("b") f = A("f") h.z = e e.s = j e.r = j c.z = b j.z = e b.s ...

j"

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: A = None self.txt = txt h = A("h") e = B("e") c = A("c") j = A("j") b = B("b") f = A("f") h.z = e e.s = j e.r = j c.z = b j.z = e b.s ...

e

j

e

j

x

6

2

3

2

853

class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") c = B("c") j = A("j") g.o = j c.z = j j.o = g assert j.o.o.o.txt == "

g"

class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") c = B("c") j = A("j") g.o = j c.z = j j.o = g assert j.o.o.o.txt == "g"

j

g

j

g

x

3

2

3

2

854

class A: def __init__(self, txt: str): self.p: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.txt = txt d = A("d") b = B("b") c = B("c") e = B("e") f = A("f") g = A("g") d.p = f d.u = e b.t = f c.t = f e.t = d f.p ...

f"

class A: def __init__(self, txt: str): self.p: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.txt = txt d = A("d") b = B("b") c = B("c") e = B("e") f = A("f") g = A("g") d.p = f d.u = e b.t = f c.t = f e.t = d f.p ...

e

d

e

d

e

d

f

x

6

9

2

6

4

855

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.t: A = None self.txt = txt g = A("g") h = B("h") c = A("c") g.z = h h.y = g h.t = g c.z = h assert h.y.z.y.txt == "

g"

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.t: A = None self.txt = txt g = A("g") h = B("h") c = A("c") g.z = h h.y = g h.t = g c.z = h assert h.y.z.y.txt == "g"

h

g

h

g

x

3

2

3

2

856

class A: def __init__(self, txt: str): self.y: B = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.u: B = None self.txt = txt e = A("e") c = B("c") a = A("a") f = B("f") b = A("b") j = B("j") g = A("g") e.y = f ...

f"

class A: def __init__(self, txt: str): self.y: B = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.u: B = None self.txt = txt e = A("e") c = B("c") a = A("a") f = B("f") b = A("b") j = B("j") g = A("g") e.y = f ...

f

g

j

b

f

x

7

14

2

4

1

857

class A: def __init__(self, txt: str): self.y: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") c = B("c") g = B("g") d = B("d") a = B("a") h = B("h") b = A("b") e.y = h e.p = b c.o = e g.o = b d...

b"

class A: def __init__(self, txt: str): self.y: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt e = A("e") c = B("c") g = B("g") d = B("d") a = B("a") h = B("h") b = A("b") e.y = h e.p = b c.o = e g.o = b d...

c

e

b

g

b

g

b

x

7

9

2

6

3

858

class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.w: A = None self.txt = txt i = A("i") f = B("f") d = B("d") a = A("a") b = A("b") h = B("h") c = B("c") i.y = a f.x = d f.w = a d.x = c d...

a"

class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.w: A = None self.txt = txt i = A("i") f = B("f") d = B("d") a = A("a") b = A("b") h = B("h") c = B("c") i.y = a f.x = d f.w = a d.x = c d...

f

a

i

a

i

a

i

a

7

11

2

7

5

859

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: B = None self.txt = txt j = A("j") d = B("d") a = B("a") g = A("g") e = B("e") j.v = g d.x = g d.t = a a.x = j a.t = e g.v = j e.x = j...

g"

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: B = None self.txt = txt j = A("j") d = B("d") a = B("a") g = A("g") e = B("e") j.v = g d.x = g d.t = a a.x = j a.t = e g.v = j e.x = j...

d

a

j

g

x

5

8

2

3

0

860

class A: def __init__(self, txt: str): self.u: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.x: A = None self.txt = txt f = A("f") g = B("g") b = B("b") a = B("a") j = B("j") f.u = g f.x = g g.r = j g.x = ...

j"

class A: def __init__(self, txt: str): self.u: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.x: A = None self.txt = txt f = A("f") g = B("g") b = B("b") a = B("a") j = B("j") f.u = g f.x = g g.r = j g.x = ...

a

f

g

j

x

5

9

2

3

0

861

class A: def __init__(self, txt: str): self.r: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt e = A("e") b = B("b") a = A("a") e.r = b e.w = b b.u = e a.r = b a.w = b assert e.w.u.r.txt == "

b"

class A: def __init__(self, txt: str): self.r: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt e = A("e") b = B("b") a = A("a") e.r = b e.w = b b.u = e a.r = b a.w = b assert e.w.u.r.txt == "b"

e

b

e

b

x

3

2

3

2

862

class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt e = A("e") d = B("d") g = A("g") j = A("j") e.x = g d.y = j g.x = e j.x = e assert e.x.x.x.txt == "

g"

class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt e = A("e") d = B("d") g = A("g") j = A("j") e.x = g d.y = j g.x = e j.x = e assert e.x.x.x.txt == "g"

e

g

e

g

x

4

2

3

2

863

class A: def __init__(self, txt: str): self.y: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt d = A("d") e = B("e") c = A("c") h = B("h") b = A("b") f = A("f") a = B("a") d.y = e ...

h"

class A: def __init__(self, txt: str): self.y: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt d = A("d") e = B("e") c = A("c") h = B("h") b = A("b") f = A("f") a = B("a") d.y = e ...

d

e

a

h

x

7

11

2

3

0

864

class A: def __init__(self, txt: str): self.u: A = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.o: A = None self.txt = txt b = A("b") j = B("j") c = A("c") g = B("g") f = B("f") h = A("h") d = A("d") b.u = c ...

g"

class A: def __init__(self, txt: str): self.u: A = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.o: A = None self.txt = txt b = A("b") j = B("j") c = A("c") g = B("g") f = B("f") h = A("h") d = A("d") b.u = c ...

j

b

c

b

g

f

b

g

7

14

2

7

3

865

class A: def __init__(self, txt: str): self.o: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.r: A = None self.txt = txt d = A("d") i = B("i") j = A("j") d.o = i d.v = i i.t = j i.r = j j.o = i j.v = i asse...

i"

class A: def __init__(self, txt: str): self.o: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.r: A = None self.txt = txt d = A("d") i = B("i") j = A("j") d.o = i d.v = i i.t = j i.r = j j.o = i j.v = i asse...

d

i

j

i

x

3

2

3

1

866

class A: def __init__(self, txt: str): self.s: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.s: A = None self.txt = txt c = A("c") h = B("h") f = A("f") c.s = f c.o = f h.p = f h.s = f f.s = c f.o = c asse...

f"

class A: def __init__(self, txt: str): self.s: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.s: A = None self.txt = txt c = A("c") h = B("h") f = A("f") c.s = f c.o = f h.p = f h.s = f f.s = c f.o = c asse...

c

f

c

f

x

3

2

3

2

867

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: B = None self.txt = txt i = A("i") b = B("b") f = B("f") g = A("g") i.v = g b.s = g b.r = f f.s = i f.r = b g.v = i assert i.v.v.v.txt...

g"

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.r: B = None self.txt = txt i = A("i") b = B("b") f = B("f") g = A("g") i.v = g b.s = g b.r = f f.s = i f.r = b g.v = i assert i.v.v.v.txt...

i

g

i

g

x

4

6

2

3

2

868

class A: def __init__(self, txt: str): self.v: A = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") g = B("g") d = B("d") j = B("j") c = A("c") b.v = c b.w = c g.o = c d.o = c j.o = c c.v = b c.w = b...

b"

class A: def __init__(self, txt: str): self.v: A = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") g = B("g") d = B("d") j = B("j") c = A("c") b.v = c b.w = c g.o = c d.o = c j.o = c c.v = b c.w = b...

d

c

b

c

b

x

5

2

4

2

869

class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.u: A = None self.txt = txt a = A("a") j = B("j") e = B("e") h = B("h") d = B("d") g = B("g") b = A("b") a.x = e j.x = a j.u = a e.x = b e...

b"

class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.u: A = None self.txt = txt a = A("a") j = B("j") e = B("e") h = B("h") d = B("d") g = B("g") b = A("b") a.x = e j.x = a j.u = a e.x = b e...

h

b

d

b

d

b

d

b

7

10

2

7

5

870

class A: def __init__(self, txt: str): self.q: B = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt c = A("c") d = B("d") g = B("g") j = B("j") b = B("b") f = A("f") h = A("h") c.q = d c.o = h d.r = j g.r = d j...

d"

class A: def __init__(self, txt: str): self.q: B = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt c = A("c") d = B("d") g = B("g") j = B("j") b = B("b") f = A("f") h = A("h") c.q = d c.o = h d.r = j g.r = d j...

g

d

j

d

x

7

10

2

3

1

871

class A: def __init__(self, txt: str): self.p: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") b = B("b") a = A("a") c = A("c") d = A("d") e = B("e") i = A("i") g.p = b g.u = b b.z = i a.p = b a...

i"

class A: def __init__(self, txt: str): self.p: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt g = A("g") b = B("b") a = A("a") c = A("c") d = A("d") e = B("e") i = A("i") g.p = b g.u = b b.z = i a.p = b a...

i

b

i

e

g

b

i

x

7

8

2

6

3

872

class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") e = B("e") f = A("f") h = B("h") g = B("g") d = A("d") i.q = j i.r = g j.v = d e.v = i f...

g"

class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") e = B("e") f = A("f") h = B("h") g = B("g") d = A("d") i.q = j i.r = g j.v = d e.v = i f...

j

d

g

f

j

d

g

x

7

9

2

6

3

873

class A: def __init__(self, txt: str): self.r: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") c = B("c") b = A("b") d.r = c d.w = b c.p = d b.r = c b.w = d assert b.r.p.r.txt == "

c"

class A: def __init__(self, txt: str): self.r: B = None self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") c = B("c") b = A("b") d.r = c d.w = b c.p = d b.r = c b.w = d assert b.r.p.r.txt == "c"

b

c

d

c

x

3

5

2

3

1

874

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.q: A = None self.txt = txt h = A("h") b = B("b") c = A("c") f = A("f") i = B("i") e = A("e") a = B("a") h.t = b b.p = e b.q = c c.t = b f...

b"

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.q: A = None self.txt = txt h = A("h") b = B("b") c = A("c") f = A("f") i = B("i") e = A("e") a = B("a") h.t = b b.p = e b.q = c c.t = b f...

a

c

b

e

a

c

b

x

7

10

2

6

3

875

class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt b = A("b") c = B("c") d = B("d") h = B("h") i = A("i") a = A("a") f = B("f") b.q = h ...

c"

class A: def __init__(self, txt: str): self.q: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.s: A = None self.txt = txt b = A("b") c = B("c") d = B("d") h = B("h") i = A("i") a = A("a") f = B("f") b.q = h ...

b

d

c

d

c

x

7

14

2

4

2

876

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.r: B = None self.txt = txt f = A("f") c = B("c") b = A("b") a = A("a") h = B("h") d = A("d") f.z = h c.t = h c.r = h b.z = c a.z = h h.t ...

h"

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.r: B = None self.txt = txt f = A("f") c = B("c") b = A("b") a = A("a") h = B("h") d = A("d") f.z = h c.t = h c.r = h b.z = c a.z = h h.t ...

a

h

c

h

c

h

x

6

2

5

3

877

class A: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.v: A = None self.txt = txt h = A("h") g = B("g") j = B("j") e = B("e") h.w = e h.t = g g.q = h g.v = h j.q = h j...

h"

class A: def __init__(self, txt: str): self.w: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.v: A = None self.txt = txt h = A("h") g = B("g") j = B("j") e = B("e") h.w = e h.t = g g.q = h g.v = h j.q = h j...

g

h

e

h

x

4

5

2

3

1

878

class A: def __init__(self, txt: str): self.v: A = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.x: B = None self.txt = txt c = A("c") d = B("d") i = A("i") b = A("b") g = B("g") c.v = b c.q = b d.v = c d.x = ...

c"

class A: def __init__(self, txt: str): self.v: A = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.x: B = None self.txt = txt c = A("c") d = B("d") i = A("i") b = A("b") g = B("g") c.v = b c.q = b d.v = c d.x = ...

d

c

b

i

c

x

5

7

2

4

1

879

class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") f = B("f") d = B("d") a = A("a") i = A("i") j = A("j") g = B("g") b.p = d f.o = a d.o = a a.p = d i.p = f j.p = d g.o = j as...

a"

class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.txt = txt b = A("b") f = B("f") d = B("d") a = A("a") i = A("i") j = A("j") g = B("g") b.p = d f.o = a d.o = a a.p = d i.p = f j.p = d g.o = j as...

j

d

a

d

a

d

a

x

7

2

6

4

880

class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt h = A("h") a = B("a") b = A("b") j = A("j") i = B("i") h.y = j a.s = i b.y = j j.y = b i.s = a assert i.s.s.s.s.s.txt == "

a"

class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt h = A("h") a = B("a") b = A("b") j = A("j") i = B("i") h.y = j a.s = i b.y = j j.y = b i.s = a assert i.s.s.s.s.s.txt == "a"

i

a

i

a

i

a

x

5

2

5

4

881

class A: def __init__(self, txt: str): self.r: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.s: A = None self.txt = txt i = A("i") h = B("h") a = A("a") g = A("g") d = B("d") i.r = g i.u = d h.y = i h.s = ...

d"

class A: def __init__(self, txt: str): self.r: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.s: A = None self.txt = txt i = A("i") h = B("h") a = A("a") g = A("g") d = B("d") i.r = g i.u = d h.y = i h.s = ...

i

d

i

g

d

x

5

10

2

4

2

882

class A: def __init__(self, txt: str): self.v: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.w: A = None self.txt = txt c = A("c") j = B("j") d = A("d") i = B("i") a = A("a") c.v = i c.o = j j.y = i j.w = ...

j"

class A: def __init__(self, txt: str): self.v: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.w: A = None self.txt = txt c = A("c") j = B("j") d = A("d") i = B("i") a = A("a") c.v = i c.o = j j.y = i j.w = ...

i

j

a

j

i

j

x

5

9

2

5

3

883

class A: def __init__(self, txt: str): self.w: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") h = B("h") i = B("i") j = B("j") a = A("a") c = B("c") d = B("d") f.w = d f.p = a h.s = i i.s = c j...

d"

class A: def __init__(self, txt: str): self.w: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") h = B("h") i = B("i") j = B("j") a = A("a") c = B("c") d = B("d") f.w = d f.p = a h.s = i i.s = c j...

d

c

d

c

d

x

7

9

2

4

3

884

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt h = A("h") i = B("i") j = A("j") e = B("e") h.z = j i.o = e j.z = h e.o = i assert h.z.z.z.txt == "

j"

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.txt = txt h = A("h") i = B("i") j = A("j") e = B("e") h.z = j i.o = e j.z = h e.o = i assert h.z.z.z.txt == "j"

h

j

h

j

x

4

2

3

2

885

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.o: B = None self.txt = txt h = A("h") b = B("b") j = B("j") g = A("g") e = A("e") f = B("f") a = A("a") h.r = g b.p = f b.o = f j.p = f j...

h"

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.o: B = None self.txt = txt h = A("h") b = B("b") j = B("j") g = A("g") e = A("e") f = B("f") a = A("a") h.r = g b.p = f b.o = f j.p = f j...

g

h

g

h

x

7

8

2

3

2

886

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt e = A("e") j = B("j") b = A("b") g = B("g") d = A("d") e.v = b j.t = g b.v = e g.t = j d.v = e assert d.v.v.v.v.v.txt == "

e"

class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt e = A("e") j = B("j") b = A("b") g = B("g") d = A("d") e.v = b j.t = g b.v = e g.t = j d.v = e assert d.v.v.v.v.v.txt == "e"

d

e

b

e

b

e

x

5

2

5

3

887

class A: def __init__(self, txt: str): self.s: B = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.s: A = None self.txt = txt e = A("e") c = B("c") d = A("d") g = B("g") i = B("i") e.s = c e.x = d c.z = e c.s = ...

d"

class A: def __init__(self, txt: str): self.s: B = None self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.s: A = None self.txt = txt e = A("e") c = B("c") d = A("d") g = B("g") i = B("i") e.s = c e.x = d c.z = e c.s = ...

i

d

e

d

x

5

9

2

3

1

888

class A: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt d = A("d") i = B("i") c = B("c") f = B("f") h = A("h") b = B("b") a = A("a") d.q = a d.o = c i.q = d c.q = d f...

a"

class A: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt d = A("d") i = B("i") c = B("c") f = B("f") h = A("h") b = B("b") a = A("a") d.q = a d.o = c i.q = d c.q = d f...

i

d

a

d

c

d

a

x

7

10

2

6

3

889

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.t: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.t = j j.r = c j.t = d c.r = j c.t = d assert d.t.r.r.txt == "

j"

class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.t: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.t = j j.r = c j.t = d c.r = j c.t = d assert d.t.r.r.txt == "j"

d

j

c

j

x

3

5

2

3

1

890

class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") g = B("g") h = A("h") i.w = h j.v = i g.v = i h.w = i assert i.w.w.w.txt == "

h"

class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt i = A("i") j = B("j") g = B("g") h = A("h") i.w = h j.v = i g.v = i h.w = i assert i.w.w.w.txt == "h"

i

h

i

h

x

4

2

3

2

891

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt a = A("a") f = B("f") e = B("e") i = B("i") d = B("d") a.q = e f.q = a f.o = d e.q = a e.o = f i.q = a i.o = f...

f"

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt a = A("a") f = B("f") e = B("e") i = B("i") d = B("d") a.q = e f.q = a f.o = d e.q = a e.o = f i.q = a i.o = f...

a

e

a

e

f

x

5

9

2

4

2

892

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt f = A("f") a = B("a") h = A("h") f.q = a a.p = f h.q = a assert a.p.q.p.txt == "

f"

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt f = A("f") a = B("a") h = A("h") f.q = a a.p = f h.q = a assert a.p.q.p.txt == "f"

a

f

a

f

x

3

2

3

2

893

class A: def __init__(self, txt: str): self.v: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") i = B("i") f = B("f") c = A("c") g.v = i g.y = c i.x = g f.x = c c.v = i c.y = g assert f.x.v.x.v.t...

i"

class A: def __init__(self, txt: str): self.v: B = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt g = A("g") i = B("i") f = B("f") c = A("c") g.v = i g.y = c i.x = g f.x = c c.v = i c.y = g assert f.x.v.x.v.t...

f

c

i

g

i

x

4

6

2

4

1

894

class A: def __init__(self, txt: str): self.q: A = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.z: B = None self.txt = txt a = A("a") b = B("b") i = A("i") f = B("f") h = B("h") a.q = i a.x = b b.y = a b.z = ...

i"

class A: def __init__(self, txt: str): self.q: A = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.z: B = None self.txt = txt a = A("a") b = B("b") i = A("i") f = B("f") h = B("h") a.q = i a.x = b b.y = a b.z = ...

f

a

i

h

i

x

5

10

2

4

1

895

class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt b = A("b") i = B("i") g = A("g") f = A("f") c = A("c") a = B("a") h = B("h") b.u = h i.r = h g.u = h f.u = a c.u = h a.r = h h.r = a as...

a"

class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt b = A("b") i = B("i") g = A("g") f = A("f") c = A("c") a = B("a") h = B("h") b.u = h i.r = h g.u = h f.u = a c.u = h a.r = h h.r = a as...

b

h

a

h

a

x

7

2

4

2

896

class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: A = None self.txt = txt j = A("j") i = B("i") c = B("c") h = B("h") j.u = i j.r = i i.x = j i.t = j c.x = j c...

i"

class A: def __init__(self, txt: str): self.u: B = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.t: A = None self.txt = txt j = A("j") i = B("i") c = B("c") h = B("h") j.u = i j.r = i i.x = j i.t = j c.x = j c...

j

i

j

i

x

4

2

3

2

897

class A: def __init__(self, txt: str): self.t: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.y: B = None self.txt = txt g = A("g") b = B("b") e = B("e") i = B("i") j = B("j") d = B("d") a = B("a") g.t = d ...

d"

class A: def __init__(self, txt: str): self.t: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.y: B = None self.txt = txt g = A("g") b = B("b") e = B("e") i = B("i") j = B("j") d = B("d") a = B("a") g.t = d ...

g

j

g

d

b

d

x

7

14

2

5

2

898

class A: def __init__(self, txt: str): self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.z: B = None self.txt = txt d = A("d") i = B("i") f = A("f") b = B("b") d.q = f i.r = d i.z = b f.q = d b.r = d b.z = i assert d.q.q.q.q.t...

d"

class A: def __init__(self, txt: str): self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.z: B = None self.txt = txt d = A("d") i = B("i") f = A("f") b = B("b") d.q = f i.r = d i.z = b f.q = d b.r = d b.z = i assert d.q.q.q.q.t...

d

f

d

f

d

x

4

6

2

4

3

899

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt e = A("e") c = B("c") j = A("j") b = A("b") e.r = j c.z = b j.r = e b.r = j assert b.r.r.r.r.txt == "

e"

class A: def __init__(self, txt: str): self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt e = A("e") c = B("c") j = A("j") b = A("b") e.r = j c.z = b j.r = e b.r = j assert b.r.r.r.r.txt == "e"

b

j

e

j

e

x

4

2

4

2