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
500	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.q: B = None self.p: B = None self.txt = txt f = A("f") h = B("h") b = A("b") a = A("a") j = A("j") c = A("c") e = B("e") f.v = e ...	e"	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.q: B = None self.p: B = None self.txt = txt f = A("f") h = B("h") b = A("b") a = A("a") j = A("j") c = A("c") e = B("e") f.v = e ...	j	e	h	e	h	e	x	x	7	9	2	5	3
501	class A: def __init__(self, txt: str): self.s: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.q: B = None self.txt = txt j = A("j") e = B("e") i = B("i") c = A("c") a = A("a") h = B("h") f = A("f") j.s = i ...	h"	class A: def __init__(self, txt: str): self.s: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.q: B = None self.txt = txt j = A("j") e = B("e") i = B("i") c = A("c") a = A("a") h = B("h") f = A("f") j.s = i ...	f	c	f	e	h	x	x	x	7	14	2	4	1
502	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt e = A("e") a = B("a") i = A("i") j = A("j") h = B("h") f = A("f") e.x = h a.r = e i.x = h j.x = a h.r = j f.x = h assert f.x.r.x.r.x.tx...	h"	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt e = A("e") a = B("a") i = A("i") j = A("j") h = B("h") f = A("f") e.x = h a.r = e i.x = h j.x = a h.r = j f.x = h assert f.x.r.x.r.x.tx...	f	h	j	a	e	h	x	x	6	6	2	5	1
503	class A: def __init__(self, txt: str): self.u: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt j = A("j") f = B("f") h = A("h") i = A("i") b = B("b") a = B("a") e = A("e") j.u = e j.o = h f.v = i h.u = j h...	i"	class A: def __init__(self, txt: str): self.u: A = None self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt j = A("j") f = B("f") h = A("h") i = A("i") b = B("b") a = B("a") e = A("e") j.u = e j.o = h f.v = i h.u = j h...	a	i	e	i	x	x	x	x	7	10	2	3	1
504	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt f = A("f") i = B("i") e = A("e") f.z = i i.r = f e.z = i assert i.r.z.r.txt == "	f"	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt f = A("f") i = B("i") e = A("e") f.z = i i.r = f e.z = i assert i.r.z.r.txt == "f"	i	f	i	f	x	x	x	x	3	3	2	3	2
505	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt i = A("i") e = B("e") h = B("h") b = B("b") f = A("f") c = B("c") g = B("g") i.r = c e.s = c h.s = e b.s = h f.r = c c.s = g g.s = e as...	e"	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt i = A("i") e = B("e") h = B("h") b = B("b") f = A("f") c = B("c") g = B("g") i.r = c e.s = c h.s = e b.s = h f.r = c c.s = g g.s = e as...	h	e	c	g	e	c	g	e	7	7	2	7	4
506	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt g = A("g") j = B("j") a = B("a") g.y = a j.s = g a.s = g assert g.y.s.y.txt == "	a"	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt g = A("g") j = B("j") a = B("a") g.y = a j.s = g a.s = g assert g.y.s.y.txt == "a"	g	a	g	a	x	x	x	x	3	3	2	3	2
507	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt d = A("d") a = B("a") b = B("b") e = B("e") f = A("f") d.p = e a.r = f b.r = f e.r = d f.p = b assert a.r.p.r.txt == "	f"	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt d = A("d") a = B("a") b = B("b") e = B("e") f = A("f") d.p = e a.r = f b.r = f e.r = d f.p = b assert a.r.p.r.txt == "f"	a	f	b	f	x	x	x	x	5	5	2	3	1
508	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") a = B("a") e = B("e") f = A("f") h = A("h") g = A("g") d = A("d") i.z = g a.v = e e.v = a f.z = g h.z = i g.z = h d.z = h as...	h"	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") a = B("a") e = B("e") f = A("f") h = A("h") g = A("g") d = A("d") i.z = g a.v = e e.v = a f.z = g h.z = i g.z = h d.z = h as...	h	i	g	h	x	x	x	x	7	7	2	3	1
509	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.q: B = None self.txt = txt g = A("g") c = B("c") h = B("h") i = A("i") d = A("d") b = B("b") e = A("e") g.q = c c.t = e c.q = b h.t = g h...	g"	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.q: B = None self.txt = txt g = A("g") c = B("c") h = B("h") i = A("i") d = A("d") b = B("b") e = A("e") g.q = c c.t = e c.q = b h.t = g h...	e	b	h	g	x	x	x	x	7	10	2	3	0
510	class A: def __init__(self, txt: str): self.p: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.w: A = None self.txt = txt g = A("g") d = B("d") i = A("i") h = B("h") b = B("b") g.p = d g.v = b d.v = h d.w = ...	d"	class A: def __init__(self, txt: str): self.p: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.w: A = None self.txt = txt g = A("g") d = B("d") i = A("i") h = B("h") b = B("b") g.p = d g.v = b d.v = h d.w = ...	b	h	i	d	i	d	x	x	5	9	2	5	2
511	class A: def __init__(self, txt: str): self.v: A = None self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") e = B("e") i = B("i") c = A("c") f.v = c f.q = e e.u = i i.u = e c.v = f c.q = e assert i.u.u.u.u.t...	i"	class A: def __init__(self, txt: str): self.v: A = None self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") e = B("e") i = B("i") c = A("c") f.v = c f.q = e e.u = i i.u = e c.v = f c.q = e assert i.u.u.u.u.t...	i	e	i	e	i	x	x	x	4	6	2	4	3
512	class A: def __init__(self, txt: str): self.y: A = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.u: B = None self.txt = txt f = A("f") c = B("c") e = B("e") j = B("j") d = A("d") i = B("i") f.y = d f.z = d c.z...	f"	class A: def __init__(self, txt: str): self.y: A = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.u: B = None self.txt = txt f = A("f") c = B("c") e = B("e") j = B("j") d = A("d") i = B("i") f.y = d f.z = d c.z...	f	d	f	d	f	x	x	x	6	10	2	4	3
513	class A: def __init__(self, txt: str): self.r: B = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt c = A("c") d = B("d") b = A("b") a = A("a") c.r = d c.v = b d.v = b b.r = d b.v = a a.r = d a.v = c assert a.v...	d"	class A: def __init__(self, txt: str): self.r: B = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt c = A("c") d = B("d") b = A("b") a = A("a") c.r = d c.v = b d.v = b b.r = d b.v = a a.r = d a.v = c assert a.v...	a	c	b	d	x	x	x	x	4	7	2	3	0
514	class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.x: B = None self.txt = txt e = A("e") a = B("a") i = B("i") c = B("c") g = A("g") e.p = g a.o = i a.x = i i.o = a i.x = a c.o = a c.x = a...	i"	class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.x: B = None self.txt = txt e = A("e") a = B("a") i = B("i") c = B("c") g = A("g") e.p = g a.o = i a.x = i i.o = a i.x = a c.o = a c.x = a...	c	a	i	a	i	x	x	x	5	5	2	4	2
515	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt j = A("j") f = B("f") d = A("d") h = A("h") g = B("g") j.v = d f.r = g d.v = h h.v = d g.r = f assert d.v.v.v.txt == "	h"	class A: def __init__(self, txt: str): self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt j = A("j") f = B("f") d = A("d") h = A("h") g = B("g") j.v = d f.r = g d.v = h h.v = d g.r = f assert d.v.v.v.txt == "h"	d	h	d	h	x	x	x	x	5	5	2	3	2
516	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.txt = txt b = A("b") e = B("e") h = B("h") b.z = h e.y = b h.y = b assert b.z.y.z.txt == "	h"	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.txt = txt b = A("b") e = B("e") h = B("h") b.z = h e.y = b h.y = b assert b.z.y.z.txt == "h"	b	h	b	h	x	x	x	x	3	3	2	3	2
517	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") i = B("i") j = A("j") h = A("h") e = B("e") c = A("c") f.t = e i.s = e j.t = e h.t = i e.s = i c.t = i assert c.t.s.s.s.s.s....	e"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: B = None self.txt = txt f = A("f") i = B("i") j = A("j") h = A("h") e = B("e") c = A("c") f.t = e i.s = e j.t = e h.t = i e.s = i c.t = i assert c.t.s.s.s.s.s....	c	i	e	i	e	i	e	x	6	6	2	6	4
518	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.u: B = None self.txt = txt i = A("i") a = B("a") b = A("b") h = B("h") j = B("j") e = A("e") i.y = b a.o = b a.u = j b.y = i h.o = e h.u ...	b"	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: A = None self.u: B = None self.txt = txt i = A("i") a = B("a") b = A("b") h = B("h") j = B("j") e = A("e") i.y = b a.o = b a.u = j b.y = i h.o = e h.u ...	b	i	b	i	b	x	x	x	6	9	2	4	3
519	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 e = A("e") h = B("h") b = A("b") f = A("f") i = A("i") g = A("g") e.x = b h.u = e b.x = e f.x = e i.x = f g.x = f assert e.x.x.x.txt ==...	b"	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 e = A("e") h = B("h") b = A("b") f = A("f") i = A("i") g = A("g") e.x = b h.u = e b.x = e f.x = e i.x = f g.x = f assert e.x.x.x.txt ==...	e	b	e	b	x	x	x	x	6	6	2	3	2
520	class A: def __init__(self, txt: str): self.u: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt e = A("e") g = B("g") a = A("a") c = B("c") i = A("i") j = A("j") e.u = i e.y = i g.v = c a.u = j a.y = j c.v ...	a"	class A: def __init__(self, txt: str): self.u: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt e = A("e") g = B("g") a = A("a") c = B("c") i = A("i") j = A("j") e.u = i e.y = i g.v = c a.u = j a.y = j c.v ...	j	a	j	i	a	j	a	x	6	7	2	6	4
521	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt c = A("c") i = B("i") b = B("b") j = B("j") f = B("f") a = B("a") c.q = b i.q = f b.q = a j.q = a f.q = j a.q = b assert i.q.q.q.q.q.q....	b"	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt c = A("c") i = B("i") b = B("b") j = B("j") f = B("f") a = B("a") c.q = b i.q = f b.q = a j.q = a f.q = j a.q = b assert i.q.q.q.q.q.q....	i	f	j	a	b	a	b	x	6	6	2	6	2
522	class A: def __init__(self, txt: str): self.s: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.z: B = None self.txt = txt a = A("a") f = B("f") g = B("g") i = B("i") j = B("j") h = B("h") a.s = j a.x = i f.q...	j"	class A: def __init__(self, txt: str): self.s: B = None self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.z: B = None self.txt = txt a = A("a") f = B("f") g = B("g") i = B("i") j = B("j") h = B("h") a.s = j a.x = i f.q...	a	i	j	i	j	g	j	x	6	10	2	6	3
523	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.p: A = None self.txt = txt g = A("g") e = B("e") a = A("a") c = A("c") g.v = c g.q = c e.p = a a.v = g a.q = g c.v = g c.q = g assert a.q...	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.p: A = None self.txt = txt g = A("g") e = B("e") a = A("a") c = A("c") g.v = c g.q = c e.p = a a.v = g a.q = g c.v = g c.q = g assert a.q...	a	g	c	g	c	x	x	x	4	4	2	4	2
524	class A: def __init__(self, txt: str): self.u: A = None self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.x: B = None self.txt = txt j = A("j") d = B("d") h = A("h") a = A("a") c = B("c") i = B("i") g = B("g") j.u = a ...	j"	class A: def __init__(self, txt: str): self.u: A = None self.r: A = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.x: B = None self.txt = txt j = A("j") d = B("d") h = A("h") a = A("a") c = B("c") i = B("i") g = B("g") j.u = a ...	j	a	j	a	j	x	x	x	7	12	2	4	3
525	class A: def __init__(self, txt: str): self.x: A = None self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt j = A("j") d = B("d") c = A("c") a = B("a") j.x = c j.s = c d.u = a c.x = j c.s = j a.u = d assert c.s.s.s.s.t...	c"	class A: def __init__(self, txt: str): self.x: A = None self.s: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt j = A("j") d = B("d") c = A("c") a = B("a") j.x = c j.s = c d.u = a c.x = j c.s = j a.u = d assert c.s.s.s.s.t...	c	j	c	j	c	x	x	x	4	4	2	4	3
526	class A: def __init__(self, txt: str): self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt c = A("c") g = B("g") b = A("b") d = A("d") j = A("j") f = B("f") c.w = g g.w = c b.w = f d.w = g j.w = f f.w = c assert f.w.w.w.w.w.w....	g"	class A: def __init__(self, txt: str): self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.txt = txt c = A("c") g = B("g") b = A("b") d = A("d") j = A("j") f = B("f") c.w = g g.w = c b.w = f d.w = g j.w = f f.w = c assert f.w.w.w.w.w.w....	f	c	g	c	g	c	g	x	6	6	2	6	4
527	class A: def __init__(self, txt: str): self.r: A = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt f = A("f") a = B("a") d = B("d") j = A("j") f.r = j f.p = j a.q = d d.q = a j.r = f j.p = f assert f.p.r.r.r.t...	f"	class A: def __init__(self, txt: str): self.r: A = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt f = A("f") a = B("a") d = B("d") j = A("j") f.r = j f.p = j a.q = d d.q = a j.r = f j.p = f assert f.p.r.r.r.t...	f	j	f	j	f	x	x	x	4	4	2	4	3
528	class A: def __init__(self, txt: str): self.p: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt g = A("g") e = B("e") b = B("b") d = A("d") h = B("h") f = B("f") g.p = f g.w = e e.z...	e"	class A: def __init__(self, txt: str): self.p: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt g = A("g") e = B("e") b = B("b") d = A("d") h = B("h") f = B("f") g.p = f g.w = e e.z...	b	g	f	e	g	e	x	x	6	12	2	5	2
529	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.w: A = None self.txt = txt a = A("a") f = B("f") e = A("e") d = B("d") i = A("i") g = A("g") c = A("c") a.t = d f.y = d f.w = c e.t = f d...	c"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.w: A = None self.txt = txt a = A("a") f = B("f") e = A("e") d = B("d") i = A("i") g = A("g") c = A("c") a.t = d f.y = d f.w = c e.t = f d...	g	f	c	f	c	x	x	x	7	9	2	4	2
530	class A: def __init__(self, txt: str): self.r: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.r = j d.v = j j.u = c j.y = d c.u = j c.y = d asse...	j"	class A: def __init__(self, txt: str): self.r: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.r = j d.v = j j.u = c j.y = d c.u = j c.y = d asse...	j	c	d	j	x	x	x	x	3	5	2	3	1
531	class A: def __init__(self, txt: str): self.u: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: B = None self.txt = txt e = A("e") h = B("h") f = B("f") e.u = h e.y = f h.q = f h.w = f f.q = h f.w = h asse...	f"	class A: def __init__(self, txt: str): self.u: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: B = None self.txt = txt e = A("e") h = B("h") f = B("f") e.u = h e.y = f h.q = f h.w = f f.q = h f.w = h asse...	e	f	h	f	x	x	x	x	3	4	2	3	1
532	class A: def __init__(self, txt: str): self.z: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt g = A("g") h = B("h") e = A("e") a = A("a") d = A("d") c = A("c") b = A("b") g.z = h g.v = h h.u = d e.z = h e...	d"	class A: def __init__(self, txt: str): self.z: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt g = A("g") h = B("h") e = A("e") a = A("a") d = A("d") c = A("c") b = A("b") g.z = h g.v = h h.u = d e.z = h e...	d	h	d	h	d	h	d	x	7	7	2	6	5
533	class A: def __init__(self, txt: str): self.y: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.v: A = None self.txt = txt h = A("h") c = B("c") f = A("f") b = A("b") e = A("e") d = A("d") a = B("a") h.y = a ...	a"	class A: def __init__(self, txt: str): self.y: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.v: A = None self.txt = txt h = A("h") c = B("c") f = A("f") b = A("b") e = A("e") d = A("d") a = B("a") h.y = a ...	e	a	c	h	a	x	x	x	7	14	2	4	1
534	class A: def __init__(self, txt: str): self.t: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.r: B = None self.txt = txt a = A("a") c = B("c") g = A("g") f = A("f") j = B("j") d = B("d") e = A("e") a.t = f ...	j"	class A: def __init__(self, txt: str): self.t: A = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.r: B = None self.txt = txt a = A("a") c = B("c") g = A("g") f = A("f") j = B("j") d = B("d") e = A("e") a.t = f ...	g	c	j	d	j	d	j	x	7	12	2	6	3
535	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.s: B = None self.txt = txt g = A("g") i = B("i") c = B("c") b = A("b") g.t = c i.v = b i.s = c c.v = g c.s = i b.t = i assert i.v.t.s.txt...	c"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.s: B = None self.txt = txt g = A("g") i = B("i") c = B("c") b = A("b") g.t = c i.v = b i.s = c c.v = g c.s = i b.t = i assert i.v.t.s.txt...	i	b	i	c	x	x	x	x	4	6	2	3	1
536	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") e = B("e") a = B("a") c = A("c") f = A("f") i = A("i") d.r = a e.p = d a.p = f c.r = e f.r = a i.r = e assert d.r.p.r.p.r.tx...	a"	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") e = B("e") a = B("a") c = A("c") f = A("f") i = A("i") d.r = a e.p = d a.p = f c.r = e f.r = a i.r = e assert d.r.p.r.p.r.tx...	d	a	f	a	f	a	x	x	6	6	2	5	3
537	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt b = A("b") g = B("g") h = B("h") c = A("c") e = B("e") b.y = c g.y = b h.y = c c.y = b e.y = b assert c.y.y.y.y.y.txt == "	b"	class A: def __init__(self, txt: str): self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt b = A("b") g = B("g") h = B("h") c = A("c") e = B("e") b.y = c g.y = b h.y = c c.y = b e.y = b assert c.y.y.y.y.y.txt == "b"	c	b	c	b	c	b	x	x	5	5	2	5	4
538	class A: def __init__(self, txt: str): self.w: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.txt = txt h = A("h") c = B("c") b = B("b") d = B("d") j = A("j") g = B("g") i = A("i") h.w = g h.o = b c.w = g b.w = g d...	d"	class A: def __init__(self, txt: str): self.w: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: B = None self.txt = txt h = A("h") c = B("c") b = B("b") d = B("d") j = A("j") g = B("g") i = A("i") h.w = g h.o = b c.w = g b.w = g d...	h	b	g	d	x	x	x	x	7	9	2	3	0
539	class A: def __init__(self, txt: str): self.s: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt a = A("a") h = B("h") i = A("i") a.s = h a.u = h h.s = a i.s = h i.u = h assert i.u.s.s.txt == "	h"	class A: def __init__(self, txt: str): self.s: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt a = A("a") h = B("h") i = A("i") a.s = h a.u = h h.s = a i.s = h i.u = h assert i.u.s.s.txt == "h"	i	h	a	h	x	x	x	x	3	3	2	3	1
540	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt f = A("f") g = B("g") b = A("b") d = A("d") h = B("h") f.w = d g.z = b b.w = f d.w = b h.z = d assert h.z.w.w.txt == "	f"	class A: def __init__(self, txt: str): self.w: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt f = A("f") g = B("g") b = A("b") d = A("d") h = B("h") f.w = d g.z = b b.w = f d.w = b h.z = d assert h.z.w.w.txt == "f"	h	d	b	f	x	x	x	x	5	5	2	3	0
541	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") i = B("i") g = B("g") j = B("j") h = B("h") c = A("c") f.u = j i.x = j g.x = j j.x = i h.x = j c.u = i assert j.x.x.x.txt ==...	i"	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") i = B("i") g = B("g") j = B("j") h = B("h") c = A("c") f.u = j i.x = j g.x = j j.x = i h.x = j c.u = i assert j.x.x.x.txt ==...	j	i	j	i	x	x	x	x	6	6	2	3	2
542	class A: def __init__(self, txt: str): self.w: B = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.y: B = None self.txt = txt a = A("a") i = B("i") h = A("h") g = A("g") b = B("b") a.w = i a.z = g i.x = b i.y = ...	b"	class A: def __init__(self, txt: str): self.w: B = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.y: B = None self.txt = txt a = A("a") i = B("i") h = A("h") g = A("g") b = B("b") a.w = i a.z = g i.x = b i.y = ...	g	a	i	b	i	b	x	x	5	8	2	5	2
543	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt j = A("j") a = B("a") g = A("g") j.q = a a.r = j g.q = a assert a.r.q.r.txt == "	j"	class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt j = A("j") a = B("a") g = A("g") j.q = a a.r = j g.q = a assert a.r.q.r.txt == "j"	a	j	a	j	x	x	x	x	3	3	2	3	2
544	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt f = A("f") i = B("i") j = A("j") f.p = i i.v = j j.p = i assert f.p.v.p.txt == "	i"	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.txt = txt f = A("f") i = B("i") j = A("j") f.p = i i.v = j j.p = i assert f.p.v.p.txt == "i"	f	i	j	i	x	x	x	x	3	3	2	3	1
545	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.y: B = None self.txt = txt d = A("d") b = B("b") g = A("g") h = B("h") d.t = g d.s = h b.y = h g.t = d g.s = b h.y = b assert d.t.t.s.y.t...	b"	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.y: B = None self.txt = txt d = A("d") b = B("b") g = A("g") h = B("h") d.t = g d.s = h b.y = h g.t = d g.s = b h.y = b assert d.t.t.s.y.t...	d	g	d	h	b	x	x	x	4	6	2	4	1
546	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.r: B = None self.txt = txt b = A("b") d = B("d") a = B("a") f = A("f") b.o = f d.v = b d.r = a a.v = b a.r = d f.o = b assert d.r.v.o.o.t...	b"	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: A = None self.r: B = None self.txt = txt b = A("b") d = B("d") a = B("a") f = A("f") b.o = f d.v = b d.r = a a.v = b a.r = d f.o = b assert d.r.v.o.o.t...	d	a	b	f	b	x	x	x	4	6	2	4	1
547	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt a = A("a") e = B("e") i = A("i") f = A("f") a.o = i e.r = i i.o = a f.o = i assert i.o.o.o.txt == "	a"	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt a = A("a") e = B("e") i = A("i") f = A("f") a.o = i e.r = i i.o = a f.o = i assert i.o.o.o.txt == "a"	i	a	i	a	x	x	x	x	4	4	2	3	2
548	class A: def __init__(self, txt: str): self.u: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") e = B("e") j = A("j") h = B("h") g = B("g") a = B("a") i.u = j i.y = a e.v = a j.u = i j.y = e h.v ...	a"	class A: def __init__(self, txt: str): self.u: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") e = B("e") j = A("j") h = B("h") g = B("g") a = B("a") i.u = j i.y = a e.v = a j.u = i j.y = e h.v ...	e	a	e	a	e	a	x	x	6	8	2	5	4
549	class A: def __init__(self, txt: str): self.r: B = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt h = A("h") c = B("c") g = B("g") d = A("d") h.r = c h.s = c c.q = h c.o = g g.q = d g...	c"	class A: def __init__(self, txt: str): self.r: B = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.o: B = None self.txt = txt h = A("h") c = B("c") g = B("g") d = A("d") h.r = c h.s = c c.q = h c.o = g g.q = d g...	g	c	g	d	c	x	x	x	4	6	2	4	2
550	class A: def __init__(self, txt: str): self.s: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt c = A("c") g = B("g") a = B("a") b = B("b") f = B("f") d = A("d") j = A("j") c.s = j c.v = d g.q = d a.q = d b...	j"	class A: def __init__(self, txt: str): self.s: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt c = A("c") g = B("g") a = B("a") b = B("b") f = B("f") d = A("d") j = A("j") c.s = j c.v = d g.q = d a.q = d b...	f	j	c	j	x	x	x	x	7	9	2	3	1
551	class A: def __init__(self, txt: str): self.o: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.z: B = None self.txt = txt c = A("c") i = B("i") b = A("b") g = B("g") d = A("d") h = A("h") c.o = b c.r = g i.r...	g"	class A: def __init__(self, txt: str): self.o: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.z: B = None self.txt = txt c = A("c") i = B("i") b = A("b") g = B("g") d = A("d") h = A("h") c.o = b c.r = g i.r...	d	i	g	i	g	i	g	x	6	10	2	6	4
552	class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt b = A("b") d = B("d") f = A("f") b.x = f d.x = b f.x = b assert d.x.x.x.txt == "	b"	class A: def __init__(self, txt: str): self.x: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt b = A("b") d = B("d") f = A("f") b.x = f d.x = b f.x = b assert d.x.x.x.txt == "b"	d	b	f	b	x	x	x	x	3	3	2	3	1
553	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt d = A("d") i = B("i") e = A("e") c = B("c") d.y = i i.x = c e.y = c c.x = i assert i.x.x.x.x.txt == "	i"	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt d = A("d") i = B("i") e = A("e") c = B("c") d.y = i i.x = c e.y = c c.x = i assert i.x.x.x.x.txt == "i"	i	c	i	c	i	x	x	x	4	4	2	4	3
554	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt h = A("h") g = B("g") c = B("c") d = A("d") h.u = c g.u = d c.u = d d.u = g assert d.u.u.u.u.txt == "	d"	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.txt = txt h = A("h") g = B("g") c = B("c") d = A("d") h.u = c g.u = d c.u = d d.u = g assert d.u.u.u.u.txt == "d"	d	g	d	g	d	x	x	x	4	4	2	4	3
555	class A: def __init__(self, txt: str): self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.u: B = None self.txt = txt j = A("j") f = B("f") d = A("d") h = A("h") e = A("e") a = B("a") c = B("c") j.t = e f.s = d f.u = a d.t = e h...	h"	class A: def __init__(self, txt: str): self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.u: B = None self.txt = txt j = A("j") f = B("f") d = A("d") h = A("h") e = A("e") a = B("a") c = B("c") j.t = e f.s = d f.u = a d.t = e h...	h	j	e	h	j	e	h	x	7	10	2	6	4
556	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.x: A = None self.p: A = None self.txt = txt f = A("f") a = B("a") b = A("b") f.t = b f.s = a a.x = f a.p = b b.t = f b.s = a asse...	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.x: A = None self.p: A = None self.txt = txt f = A("f") a = B("a") b = A("b") f.t = b f.s = a a.x = f a.p = b b.t = f b.s = a asse...	f	b	a	f	x	x	x	x	3	6	2	3	1
557	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt c = A("c") e = B("e") j = A("j") f = B("f") i = B("i") b = A("b") c.p = e e.u = f j.p = e f.u = i i.u = f b.p = i assert e.u.u.u.u.u.u....	i"	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt c = A("c") e = B("e") j = A("j") f = B("f") i = B("i") b = A("b") c.p = e e.u = f j.p = e f.u = i i.u = f b.p = i assert e.u.u.u.u.u.u....	e	f	i	f	i	f	i	x	6	6	2	6	4
558	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt a = A("a") h = B("h") f = B("f") c = A("c") i = A("i") g = A("g") d = B("d") a.x = f h.z = c f.z = a c.x = d i.x = f g.x = f d.z = c as...	d"	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt a = A("a") h = B("h") f = B("f") c = A("c") i = A("i") g = A("g") d = B("d") a.x = f h.z = c f.z = a c.x = d i.x = f g.x = f d.z = c as...	d	c	d	c	d	x	x	x	7	7	2	4	3
559	class A: def __init__(self, txt: str): self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.r: A = None self.txt = txt j = A("j") b = B("b") d = A("d") j.w = b b.t = d b.r = j d.w = b assert b.r.w.r.txt == "	j"	class A: def __init__(self, txt: str): self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: A = None self.r: A = None self.txt = txt j = A("j") b = B("b") d = A("d") j.w = b b.t = d b.r = j d.w = b assert b.r.w.r.txt == "j"	b	j	b	j	x	x	x	x	3	4	2	3	2
560	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt d = A("d") f = B("f") i = B("i") a = A("a") h = B("h") g = B("g") e = A("e") d.o = a f.q = e i.q = e a.o = d h.q = e g.q = e e.o = a as...	d"	class A: def __init__(self, txt: str): self.o: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt d = A("d") f = B("f") i = B("i") a = A("a") h = B("h") g = B("g") e = A("e") d.o = a f.q = e i.q = e a.o = d h.q = e g.q = e e.o = a as...	e	a	d	a	d	x	x	x	7	7	2	4	2
561	class A: def __init__(self, txt: str): self.s: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt j = A("j") g = B("g") i = A("i") c = B("c") d = B("d") f = B("f") j.s = c j.q = i g.z...	g"	class A: def __init__(self, txt: str): self.s: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt j = A("j") g = B("g") i = A("i") c = B("c") d = B("d") f = B("f") j.s = c j.q = i g.z...	g	j	c	j	c	d	g	x	6	12	2	6	3
562	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.txt = txt g = A("g") e = B("e") i = A("i") g.v = i e.x = g i.v = g assert e.x.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.x: A = None self.txt = txt g = A("g") e = B("e") i = A("i") g.v = i e.x = g i.v = g assert e.x.v.v.txt == "g"	e	g	i	g	x	x	x	x	3	3	2	3	1
563	class A: def __init__(self, txt: str): self.o: 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") a = B("a") b = A("b") e = B("e") h = A("h") j.o = e a.x = h a.t = h b.o = e e.x = b e.t = j h.o = e...	j"	class A: def __init__(self, txt: str): self.o: 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") a = B("a") b = A("b") e = B("e") h = A("h") j.o = e a.x = h a.t = h b.o = e e.x = b e.t = j h.o = e...	e	j	e	b	e	j	x	x	5	6	2	5	3
564	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt e = A("e") f = B("f") h = B("h") e.y = h f.q = e h.q = e assert e.y.q.y.txt == "	h"	class A: def __init__(self, txt: str): self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt e = A("e") f = B("f") h = B("h") e.y = h f.q = e h.q = e assert e.y.q.y.txt == "h"	e	h	e	h	x	x	x	x	3	3	2	3	2
565	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.w: B = None self.txt = txt h = A("h") g = B("g") c = A("c") d = B("d") a = B("a") h.w = a h.t = a g.w = d c.w = g c.t = d d.w = g a.w = d...	d"	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.w: B = None self.txt = txt h = A("h") g = B("g") c = A("c") d = B("d") a = B("a") h.w = a h.t = a g.w = d c.w = g c.t = d d.w = g a.w = d...	d	g	d	g	d	x	x	x	5	6	2	4	3
566	class A: def __init__(self, txt: str): self.t: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") e = B("e") c = A("c") j = A("j") i = B("i") f.t = j f.o = e e.x = i c.t = j c.o = e j.t = c j.o = i...	i"	class A: def __init__(self, txt: str): self.t: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") e = B("e") c = A("c") j = A("j") i = B("i") f.t = j f.o = e e.x = i c.t = j c.o = e j.t = c j.o = i...	i	e	i	e	i	x	x	x	5	8	2	4	3
567	class A: def __init__(self, txt: str): self.o: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.s: A = None self.txt = txt c = A("c") j = B("j") i = A("i") d = B("d") c.o = j c.u = j j.w = c j.s = i i.o = d i...	c"	class A: def __init__(self, txt: str): self.o: B = None self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.s: A = None self.txt = txt c = A("c") j = B("j") i = A("i") d = B("d") c.o = j c.u = j j.w = c j.s = i i.o = d i...	c	j	c	j	c	x	x	x	4	5	2	4	3
568	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.u: A = None self.txt = txt i = A("i") a = B("a") j = B("j") h = B("h") i.r = j a.x = j a.u = i j.x = a j.u = i h.x = j h.u = i assert i.r...	j"	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.u: A = None self.txt = txt i = A("i") a = B("a") j = B("j") h = B("h") i.r = j a.x = j a.u = i j.x = a j.u = i h.x = j h.u = i assert i.r...	i	j	i	j	x	x	x	x	4	7	2	3	2
569	class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.s: B = None self.txt = txt f = A("f") e = B("e") j = B("j") d = B("d") a = B("a") h = B("h") c = A("c") f.u = c e.z = h e.s = h j.z = a j...	e"	class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.s: B = None self.txt = txt f = A("f") e = B("e") j = B("j") d = B("d") a = B("a") h = B("h") c = A("c") f.u = c e.z = h e.s = h j.z = a j...	j	a	d	a	d	e	h	e	7	9	2	7	3
570	class A: def __init__(self, txt: str): self.q: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt j = A("j") d = B("d") c = A("c") j.q = d j.y = d d.q = c c.q = d c.y = d assert j.y.q.q.txt == "	d"	class A: def __init__(self, txt: str): self.q: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt j = A("j") d = B("d") c = A("c") j.q = d j.y = d d.q = c c.q = d c.y = d assert j.y.q.q.txt == "d"	j	d	c	d	x	x	x	x	3	3	2	3	1
571	class A: def __init__(self, txt: str): self.q: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.y: B = None self.txt = txt h = A("h") f = B("f") b = B("b") i = A("i") e = A("e") a = B("a") j = B("j") h.q = f ...	j"	class A: def __init__(self, txt: str): self.q: B = None self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.y: B = None self.txt = txt h = A("h") f = B("f") b = B("b") i = A("i") e = A("e") a = B("a") j = B("j") h.q = f ...	f	j	b	j	f	b	j	x	7	13	2	6	4
572	class A: def __init__(self, txt: str): self.r: B = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt j = A("j") e = B("e") d = A("d") f = B("f") j.r = e j.t = d e.p = j d.r = e d.t = j f.p = j assert e.p.t.t.t.t...	d"	class A: def __init__(self, txt: str): self.r: B = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt j = A("j") e = B("e") d = A("d") f = B("f") j.r = e j.t = d e.p = j d.r = e d.t = j f.p = j assert e.p.t.t.t.t...	e	j	d	j	d	x	x	x	4	6	2	4	2
573	class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt i = A("i") c = B("c") b = A("b") a = A("a") e = B("e") i.u = b c.y = b b.u = a a.u = b e.y = i assert c.y.u.u.u.u.txt == "	b"	class A: def __init__(self, txt: str): self.u: A = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.txt = txt i = A("i") c = B("c") b = A("b") a = A("a") e = B("e") i.u = b c.y = b b.u = a a.u = b e.y = i assert c.y.u.u.u.u.txt == "b"	c	b	a	b	a	b	x	x	5	5	2	5	3
574	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.v: B = None self.txt = txt j = A("j") e = B("e") c = B("c") h = A("h") i = A("i") a = A("a") f = B("f") j.u = e e.w = a e.v = f c.w = a c...	f"	class A: def __init__(self, txt: str): self.u: B = None self.txt = txt class B: def __init__(self, txt: str): self.w: A = None self.v: B = None self.txt = txt j = A("j") e = B("e") c = B("c") h = A("h") i = A("i") a = A("a") f = B("f") j.u = e e.w = a e.v = f c.w = a c...	c	f	e	f	h	f	x	x	7	10	2	5	2
575	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.s: A = None self.txt = txt d = A("d") b = B("b") c = B("c") a = A("a") d.r = c b.r = c b.s = d c.r = b c.s = d a.r = c assert b.s.r.r.s.t...	d"	class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.s: A = None self.txt = txt d = A("d") b = B("b") c = B("c") a = A("a") d.r = c b.r = c b.s = d c.r = b c.s = d a.r = c assert b.s.r.r.s.t...	b	d	c	b	d	x	x	x	4	6	2	4	2
576	class A: def __init__(self, txt: str): self.u: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt d = A("d") i = B("i") f = A("f") e = B("e") d.u = i d.y = i i.q = e f.u = e f.y = i e.q = i assert e.q.q.q.txt...	i"	class A: def __init__(self, txt: str): self.u: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt d = A("d") i = B("i") f = A("f") e = B("e") d.u = i d.y = i i.q = e f.u = e f.y = i e.q = i assert e.q.q.q.txt...	e	i	e	i	x	x	x	x	4	5	2	3	2
577	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.r: B = None self.txt = txt e = A("e") f = B("f") a = A("a") g = B("g") e.x = f f.z = g f.r = g a.x = f g.z = f g.r = f assert e.x.z.z.txt...	f"	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.r: B = None self.txt = txt e = A("e") f = B("f") a = A("a") g = B("g") e.x = f f.z = g f.r = g a.x = f g.z = f g.r = f assert e.x.z.z.txt...	e	f	g	f	x	x	x	x	4	4	2	3	1
578	class A: def __init__(self, txt: str): self.o: A = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt c = A("c") b = B("b") i = A("i") h = A("h") f = B("f") c.o = h c.t = h b.z = h i.o = h i.t = h h.o = c h.t = c...	c"	class A: def __init__(self, txt: str): self.o: A = None self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: A = None self.txt = txt c = A("c") b = B("b") i = A("i") h = A("h") f = B("f") c.o = h c.t = h b.z = h i.o = h i.t = h h.o = c h.t = c...	h	c	h	c	h	c	x	x	5	5	2	5	4
579	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt b = A("b") i = B("i") g = B("g") f = A("f") d = A("d") c = A("c") a = A("a") b.x = g i.q = b g.q = c f.x = i d.x = g c.x = g a.x = g as...	c"	class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt b = A("b") i = B("i") g = B("g") f = A("f") d = A("d") c = A("c") a = A("a") b.x = g i.q = b g.q = c f.x = i d.x = g c.x = g a.x = g as...	a	g	c	g	c	g	c	x	7	7	2	6	4
580	class A: def __init__(self, txt: str): self.y: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.r: A = None self.txt = txt f = A("f") h = B("h") g = B("g") b = B("b") e = A("e") c = A("c") j = A("j") f.y = g ...	g"	class A: def __init__(self, txt: str): self.y: B = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.r: A = None self.txt = txt f = A("f") h = B("h") g = B("g") b = B("b") e = A("e") c = A("c") j = A("j") f.y = g ...	h	c	h	c	g	x	x	x	7	12	2	4	2
581	class A: def __init__(self, txt: str): self.w: B = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt f = A("f") i = B("i") d = A("d") a = B("a") g = B("g") c = A("c") j = B("j") f.w = j f.s = a i.y = g d.w = a d...	j"	class A: def __init__(self, txt: str): self.w: B = None self.s: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: B = None self.txt = txt f = A("f") i = B("i") d = A("d") a = B("a") g = B("g") c = A("c") j = B("j") f.w = j f.s = a i.y = g d.w = a d...	f	a	i	g	j	x	x	x	7	10	2	4	0
582	class A: def __init__(self, txt: str): self.y: A = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.v: A = None self.txt = txt j = A("j") d = B("d") b = B("b") h = A("h") f = B("f") i = B("i") e = A("e") j.y = e ...	e"	class A: def __init__(self, txt: str): self.y: A = None self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: A = None self.v: A = None self.txt = txt j = A("j") d = B("d") b = B("b") h = A("h") f = B("f") i = B("i") e = A("e") j.y = e ...	e	j	f	e	x	x	x	x	7	13	2	3	1
583	class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt e = A("e") h = B("h") d = B("d") g = A("g") e.o = d h.s = g d.s = e g.o = h assert e.o.s.o.txt == "	d"	class A: def __init__(self, txt: str): self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.txt = txt e = A("e") h = B("h") d = B("d") g = A("g") e.o = d h.s = g d.s = e g.o = h assert e.o.s.o.txt == "d"	e	d	e	d	x	x	x	x	4	4	2	3	2
584	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt b = A("b") c = B("c") e = B("e") f = A("f") j = B("j") h = A("h") b.z = h c.x = f e.x = h f.z = h j.x = b h.z = f assert h.z.z.z.txt ==...	f"	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.x: A = None self.txt = txt b = A("b") c = B("c") e = B("e") f = A("f") j = B("j") h = A("h") b.z = h c.x = f e.x = h f.z = h j.x = b h.z = f assert h.z.z.z.txt ==...	h	f	h	f	x	x	x	x	6	6	2	3	2
585	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.x: B = None self.txt = txt a = A("a") d = B("d") e = A("e") h = A("h") c = B("c") b = B("b") j = B("j") a.t = c d.y = h d.x = b e.t = j h...	c"	class A: def __init__(self, txt: str): self.t: B = None self.txt = txt class B: def __init__(self, txt: str): self.y: A = None self.x: B = None self.txt = txt a = A("a") d = B("d") e = A("e") h = A("h") c = B("c") b = B("b") j = B("j") a.t = c d.y = h d.x = b e.t = j h...	a	c	e	j	h	b	c	x	7	11	2	6	1
586	class A: def __init__(self, txt: str): self.w: A = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.z: A = None self.txt = txt g = A("g") d = B("d") c = A("c") h = B("h") i = A("i") f = B("f") e = A("e") g.w = c ...	d"	class A: def __init__(self, txt: str): self.w: A = None self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.z: A = None self.txt = txt g = A("g") d = B("d") c = A("c") h = B("h") i = A("i") f = B("f") e = A("e") g.w = c ...	f	d	f	d	x	x	x	x	7	14	2	3	2
587	class A: def __init__(self, txt: str): self.t: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.p: B = None self.txt = txt d = A("d") e = B("e") f = B("f") c = A("c") d.t = e d.q = c e.z = f e.p = f f.z = e f...	e"	class A: def __init__(self, txt: str): self.t: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.p: B = None self.txt = txt d = A("d") e = B("e") f = B("f") c = A("c") d.t = e d.q = c e.z = f e.p = f f.z = e f...	d	c	d	c	e	x	x	x	4	6	2	4	2
588	class A: def __init__(self, txt: str): self.t: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.u: B = None self.txt = txt b = A("b") j = B("j") d = B("d") f = A("f") e = A("e") i = B("i") b.t = e b.r = j j.x...	d"	class A: def __init__(self, txt: str): self.t: A = None self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.u: B = None self.txt = txt b = A("b") j = B("j") d = B("d") f = A("f") e = A("e") i = B("i") b.t = e b.r = j j.x...	e	f	j	d	j	d	x	x	6	11	2	5	2
589	class A: def __init__(self, txt: str): self.s: A = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt j = A("j") e = B("e") i = A("i") g = A("g") a = B("a") j.s = i j.p = g e.u = a i.s = g i.p = g g.s = i g.p = i...	e"	class A: def __init__(self, txt: str): self.s: A = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt j = A("j") e = B("e") i = A("i") g = A("g") a = B("a") j.s = i j.p = g e.u = a i.s = g i.p = g g.s = i g.p = i...	a	e	a	e	a	e	x	x	5	6	2	5	4
590	class A: def __init__(self, txt: str): self.u: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt g = A("g") a = B("a") f = B("f") j = A("j") i = B("i") g.u = a g.p = j a.u = i f.u = i j.u = i j.p = g i.u = f...	i"	class A: def __init__(self, txt: str): self.u: B = None self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt g = A("g") a = B("a") f = B("f") j = A("j") i = B("i") g.u = a g.p = j a.u = i f.u = i j.u = i j.p = g i.u = f...	j	g	a	i	x	x	x	x	5	7	2	3	0
591	class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") f = B("f") c = B("c") i = B("i") g = A("g") h.v = c f.t = i c.t = i i.t = f g.v = f assert h.v.t.t.t.t.txt == "	f"	class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.t: B = None self.txt = txt h = A("h") f = B("f") c = B("c") i = B("i") g = A("g") h.v = c f.t = i c.t = i i.t = f g.v = f assert h.v.t.t.t.t.txt == "f"	h	c	i	f	i	f	x	x	5	5	2	5	2
592	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 c = A("c") a = B("a") b = A("b") h = A("h") g = B("g") d = B("d") c.o = h a.z = h b.o = c h.o = c g.z = b d.z = b assert c.o.o.o.txt ==...	h"	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 c = A("c") a = B("a") b = A("b") h = A("h") g = B("g") d = B("d") c.o = h a.z = h b.o = c h.o = c g.z = b d.z = b assert c.o.o.o.txt ==...	c	h	c	h	x	x	x	x	6	6	2	3	2
593	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.w: B = None self.txt = txt j = A("j") f = B("f") a = B("a") g = A("g") c = B("c") h = A("h") j.y = c j.x = a f.w = c a.w = f g.y = a g.x ...	a"	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.w: B = None self.txt = txt j = A("j") f = B("f") a = B("a") g = A("g") c = B("c") h = A("h") j.y = c j.x = a f.w = c a.w = f g.y = a g.x ...	g	a	f	c	a	x	x	x	6	9	2	4	1
594	class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt c = A("c") g = B("g") e = B("e") j = A("j") c.p = j g.r = e e.r = g j.p = c assert g.r.r.r.txt == "	e"	class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.r: B = None self.txt = txt c = A("c") g = B("g") e = B("e") j = A("j") c.p = j g.r = e e.r = g j.p = c assert g.r.r.r.txt == "e"	g	e	g	e	x	x	x	x	4	4	2	3	2
595	class A: def __init__(self, txt: str): self.w: A = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.o: B = None self.txt = txt h = A("h") g = B("g") c = A("c") a = B("a") f = A("f") h.w = f h.v = a g.p = f g.o = ...	a"	class A: def __init__(self, txt: str): self.w: A = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.o: B = None self.txt = txt h = A("h") g = B("g") c = A("c") a = B("a") f = A("f") h.w = f h.v = a g.p = f g.o = ...	g	f	g	a	x	x	x	x	5	10	2	3	1
596	class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.x: B = None self.txt = txt d = A("d") i = B("i") g = A("g") a = A("a") h = B("h") d.v = h i.u = h i.x = h g.v = i a.v = i h.u = i h.x = i...	i"	class A: def __init__(self, txt: str): self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.x: B = None self.txt = txt d = A("d") i = B("i") g = A("g") a = A("a") h = B("h") d.v = h i.u = h i.x = h g.v = i a.v = i h.u = i h.x = i...	a	i	h	i	h	i	x	x	5	5	2	5	3
597	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt c = A("c") i = B("i") j = B("j") f = A("f") c.z = f i.q = j j.q = i f.z = c assert f.z.z.z.txt == "	c"	class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.txt = txt c = A("c") i = B("i") j = B("j") f = A("f") c.z = f i.q = j j.q = i f.z = c assert f.z.z.z.txt == "c"	f	c	f	c	x	x	x	x	4	4	2	3	2
598	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt c = A("c") f = B("f") e = A("e") h = B("h") g = B("g") a = B("a") j = A("j") c.z = f f.p = g e.z = f h.p = a g.p = f a.p = h j.z = g as...	a"	class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt c = A("c") f = B("f") e = A("e") h = B("h") g = B("g") a = B("a") j = A("j") c.z = f f.p = g e.z = f h.p = a g.p = f a.p = h j.z = g as...	h	a	h	a	x	x	x	x	7	7	2	3	2
599	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.o: A = None self.txt = txt c = A("c") b = B("b") d = B("d") j = B("j") c.p = b b.x = j b.o = c d.x = b d.o = c j.x = b j.o = c assert d.x...	b"	class A: def __init__(self, txt: str): self.p: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.o: A = None self.txt = txt c = A("c") b = B("b") d = B("d") j = B("j") c.p = b b.x = j b.o = c d.x = b d.o = c j.x = b j.o = c assert d.x...	d	b	j	b	x	x	x	x	4	7	2	3	1

500

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.q: B = None self.p: B = None self.txt = txt f = A("f") h = B("h") b = A("b") a = A("a") j = A("j") c = A("c") e = B("e") f.v = e ...

e"

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.q: B = None self.p: B = None self.txt = txt f = A("f") h = B("h") b = A("b") a = A("a") j = A("j") c = A("c") e = B("e") f.v = e ...

j

e

h

e

h

e

x

7

9

2

5

3

501

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

h"

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

f

c

f

e

h

x

7

14

2

4

1

502

class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt e = A("e") a = B("a") i = A("i") j = A("j") h = B("h") f = A("f") e.x = h a.r = e i.x = h j.x = a h.r = j f.x = h assert f.x.r.x.r.x.tx...

h"

class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt e = A("e") a = B("a") i = A("i") j = A("j") h = B("h") f = A("f") e.x = h a.r = e i.x = h j.x = a h.r = j f.x = h assert f.x.r.x.r.x.tx...

f

h

j

a

e

h

x

6

2

5

1

503

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

i"

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

a

i

e

i

x

7

10

2

3

1

504

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

f"

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

i

f

i

f

x

3

2

3

2

505

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

e"

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

h

e

c

g

e

c

g

e

7

2

7

4

506

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

a"

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

g

a

g

a

x

3

2

3

2

507

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

f"

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

a

f

b

f

x

5

2

3

1

508

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") a = B("a") e = B("e") f = A("f") h = A("h") g = A("g") d = A("d") i.z = g a.v = e e.v = a f.z = g h.z = i g.z = h d.z = h as...

h"

class A: def __init__(self, txt: str): self.z: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") a = B("a") e = B("e") f = A("f") h = A("h") g = A("g") d = A("d") i.z = g a.v = e e.v = a f.z = g h.z = i g.z = h d.z = h as...

h

i

g

h

x

7

2

3

1

509

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

g"

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

e

b

h

g

x

7

10

2

3

0

510

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

d"

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

b

h

i

d

i

d

x

5

9

2

5

2

511

class A: def __init__(self, txt: str): self.v: A = None self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") e = B("e") i = B("i") c = A("c") f.v = c f.q = e e.u = i i.u = e c.v = f c.q = e assert i.u.u.u.u.t...

i"

class A: def __init__(self, txt: str): self.v: A = None self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.txt = txt f = A("f") e = B("e") i = B("i") c = A("c") f.v = c f.q = e e.u = i i.u = e c.v = f c.q = e assert i.u.u.u.u.t...

i

e

i

e

i

x

4

6

2

4

3

512

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

f"

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

f

d

f

d

f

x

6

10

2

4

3

513

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

d"

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

a

c

b

d

x

4

7

2

3

0

514

class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.x: B = None self.txt = txt e = A("e") a = B("a") i = B("i") c = B("c") g = A("g") e.p = g a.o = i a.x = i i.o = a i.x = a c.o = a c.x = a...

i"

class A: def __init__(self, txt: str): self.p: A = None self.txt = txt class B: def __init__(self, txt: str): self.o: B = None self.x: B = None self.txt = txt e = A("e") a = B("a") i = B("i") c = B("c") g = A("g") e.p = g a.o = i a.x = i i.o = a i.x = a c.o = a c.x = a...

c

a

i

a

i

x

5

2

4

2

515

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

h"

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

d

h

d

h

x

5

2

3

2

516

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.txt = txt b = A("b") e = B("e") h = B("h") b.z = h e.y = b h.y = b assert b.z.y.z.txt == "

h"

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.txt = txt b = A("b") e = B("e") h = B("h") b.z = h e.y = b h.y = b assert b.z.y.z.txt == "h"

b

h

b

h

x

3

2

3

2

517

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

e"

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

c

i

e

i

e

i

e

x

6

2

6

4

518

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

b"

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

b

i

b

i

b

x

6

9

2

4

3

519

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 e = A("e") h = B("h") b = A("b") f = A("f") i = A("i") g = A("g") e.x = b h.u = e b.x = e f.x = e i.x = f g.x = f assert e.x.x.x.txt ==...

b"

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 e = A("e") h = B("h") b = A("b") f = A("f") i = A("i") g = A("g") e.x = b h.u = e b.x = e f.x = e i.x = f g.x = f assert e.x.x.x.txt ==...

e

b

e

b

x

6

2

3

2

520

class A: def __init__(self, txt: str): self.u: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt e = A("e") g = B("g") a = A("a") c = B("c") i = A("i") j = A("j") e.u = i e.y = i g.v = c a.u = j a.y = j c.v ...

a"

class A: def __init__(self, txt: str): self.u: A = None self.y: A = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt e = A("e") g = B("g") a = A("a") c = B("c") i = A("i") j = A("j") e.u = i e.y = i g.v = c a.u = j a.y = j c.v ...

j

a

j

i

a

j

a

x

6

7

2

6

4

521

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

b"

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

i

f

j

a

b

a

b

x

6

2

6

2

522

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

j"

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

a

i

j

i

j

g

j

x

6

10

2

6

3

523

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.p: A = None self.txt = txt g = A("g") e = B("e") a = A("a") c = A("c") g.v = c g.q = c e.p = a a.v = g a.q = g c.v = g c.q = g assert a.q...

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.p: A = None self.txt = txt g = A("g") e = B("e") a = A("a") c = A("c") g.v = c g.q = c e.p = a a.v = g a.q = g c.v = g c.q = g assert a.q...

a

g

c

g

c

x

4

2

4

2

524

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

j"

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

j

a

j

a

j

x

7

12

2

4

3

525

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

c"

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

c

j

c

j

c

x

4

2

4

3

526

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

g"

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

f

c

g

c

g

c

g

x

6

2

6

4

527

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

f"

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

f

j

f

j

f

x

4

2

4

3

528

class A: def __init__(self, txt: str): self.p: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt g = A("g") e = B("e") b = B("b") d = A("d") h = B("h") f = B("f") g.p = f g.w = e e.z...

e"

class A: def __init__(self, txt: str): self.p: B = None self.w: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt g = A("g") e = B("e") b = B("b") d = A("d") h = B("h") f = B("f") g.p = f g.w = e e.z...

b

g

f

e

g

e

x

6

12

2

5

2

529

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

c"

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

g

f

c

f

c

x

7

9

2

4

2

530

class A: def __init__(self, txt: str): self.r: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.r = j d.v = j j.u = c j.y = d c.u = j c.y = d asse...

j"

class A: def __init__(self, txt: str): self.r: B = None self.v: B = None self.txt = txt class B: def __init__(self, txt: str): self.u: B = None self.y: A = None self.txt = txt d = A("d") j = B("j") c = B("c") d.r = j d.v = j j.u = c j.y = d c.u = j c.y = d asse...

j

c

d

j

x

3

5

2

3

1

531

class A: def __init__(self, txt: str): self.u: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: B = None self.txt = txt e = A("e") h = B("h") f = B("f") e.u = h e.y = f h.q = f h.w = f f.q = h f.w = h asse...

f"

class A: def __init__(self, txt: str): self.u: B = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.q: B = None self.w: B = None self.txt = txt e = A("e") h = B("h") f = B("f") e.u = h e.y = f h.q = f h.w = f f.q = h f.w = h asse...

e

f

h

f

x

3

4

2

3

1

532

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

d"

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

d

h

d

h

d

h

d

x

7

2

6

5

533

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

a"

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

e

a

c

h

a

x

7

14

2

4

1

534

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

j"

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

g

c

j

d

j

d

j

x

7

12

2

6

3

535

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

c"

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

i

b

i

c

x

4

6

2

3

1

536

class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") e = B("e") a = B("a") c = A("c") f = A("f") i = A("i") d.r = a e.p = d a.p = f c.r = e f.r = a i.r = e assert d.r.p.r.p.r.tx...

a"

class A: def __init__(self, txt: str): self.r: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: A = None self.txt = txt d = A("d") e = B("e") a = B("a") c = A("c") f = A("f") i = A("i") d.r = a e.p = d a.p = f c.r = e f.r = a i.r = e assert d.r.p.r.p.r.tx...

d

a

f

a

f

a

x

6

2

5

3

537

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

b"

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

c

b

c

b

c

b

x

5

2

5

4

538

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

d"

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

h

b

g

d

x

7

9

2

3

0

539

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

h"

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

i

h

a

h

x

3

2

3

1

540

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

f"

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

h

d

b

f

x

5

2

3

0

541

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

i"

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

j

i

j

i

x

6

2

3

2

542

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

b"

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

g

a

i

b

i

b

x

5

8

2

5

2

543

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt j = A("j") a = B("a") g = A("g") j.q = a a.r = j g.q = a assert a.r.q.r.txt == "

j"

class A: def __init__(self, txt: str): self.q: B = None self.txt = txt class B: def __init__(self, txt: str): self.r: A = None self.txt = txt j = A("j") a = B("a") g = A("g") j.q = a a.r = j g.q = a assert a.r.q.r.txt == "j"

a

j

a

j

x

3

2

3

2

544

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

i"

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

f

i

j

i

x

3

2

3

1

545

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.y: B = None self.txt = txt d = A("d") b = B("b") g = A("g") h = B("h") d.t = g d.s = h b.y = h g.t = d g.s = b h.y = b assert d.t.t.s.y.t...

b"

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.y: B = None self.txt = txt d = A("d") b = B("b") g = A("g") h = B("h") d.t = g d.s = h b.y = h g.t = d g.s = b h.y = b assert d.t.t.s.y.t...

d

g

d

h

b

x

4

6

2

4

1

546

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

b"

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

d

a

b

f

b

x

4

6

2

4

1

547

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

a"

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

i

a

i

a

x

4

2

3

2

548

class A: def __init__(self, txt: str): self.u: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") e = B("e") j = A("j") h = B("h") g = B("g") a = B("a") i.u = j i.y = a e.v = a j.u = i j.y = e h.v ...

a"

class A: def __init__(self, txt: str): self.u: A = None self.y: B = None self.txt = txt class B: def __init__(self, txt: str): self.v: B = None self.txt = txt i = A("i") e = B("e") j = A("j") h = B("h") g = B("g") a = B("a") i.u = j i.y = a e.v = a j.u = i j.y = e h.v ...

e

a

e

a

e

a

x

6

8

2

5

4

549

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

c"

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

g

c

g

d

c

x

4

6

2

4

2

550

class A: def __init__(self, txt: str): self.s: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt c = A("c") g = B("g") a = B("a") b = B("b") f = B("f") d = A("d") j = A("j") c.s = j c.v = d g.q = d a.q = d b...

j"

class A: def __init__(self, txt: str): self.s: A = None self.v: A = None self.txt = txt class B: def __init__(self, txt: str): self.q: A = None self.txt = txt c = A("c") g = B("g") a = B("a") b = B("b") f = B("f") d = A("d") j = A("j") c.s = j c.v = d g.q = d a.q = d b...

f

j

c

j

x

7

9

2

3

1

551

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

g"

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

d

i

g

i

g

i

g

x

6

10

2

6

4

552

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

b"

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

d

b

f

b

x

3

2

3

1

553

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

i"

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

i

c

i

c

i

x

4

2

4

3

554

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

d"

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

d

g

d

g

d

x

4

2

4

3

555

class A: def __init__(self, txt: str): self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.u: B = None self.txt = txt j = A("j") f = B("f") d = A("d") h = A("h") e = A("e") a = B("a") c = B("c") j.t = e f.s = d f.u = a d.t = e h...

h"

class A: def __init__(self, txt: str): self.t: A = None self.txt = txt class B: def __init__(self, txt: str): self.s: A = None self.u: B = None self.txt = txt j = A("j") f = B("f") d = A("d") h = A("h") e = A("e") a = B("a") c = B("c") j.t = e f.s = d f.u = a d.t = e h...

h

j

e

h

j

e

h

x

7

10

2

6

4

556

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.x: A = None self.p: A = None self.txt = txt f = A("f") a = B("a") b = A("b") f.t = b f.s = a a.x = f a.p = b b.t = f b.s = a asse...

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.x: A = None self.p: A = None self.txt = txt f = A("f") a = B("a") b = A("b") f.t = b f.s = a a.x = f a.p = b b.t = f b.s = a asse...

f

b

a

f

x

3

6

2

3

1

557

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

i"

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

e

f

i

f

i

f

i

x

6

2

6

4

558

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

d"

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

d

c

d

c

d

x

7

2

4

3

559

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

j"

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

b

j

b

j

x

3

4

2

3

2

560

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

d"

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

e

a

d

a

d

x

7

2

4

2

561

class A: def __init__(self, txt: str): self.s: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt j = A("j") g = B("g") i = A("i") c = B("c") d = B("d") f = B("f") j.s = c j.q = i g.z...

g"

class A: def __init__(self, txt: str): self.s: B = None self.q: A = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.o: A = None self.txt = txt j = A("j") g = B("g") i = A("i") c = B("c") d = B("d") f = B("f") j.s = c j.q = i g.z...

g

j

c

j

c

d

g

x

6

12

2

6

3

562

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.txt = txt g = A("g") e = B("e") i = A("i") g.v = i e.x = g i.v = g assert e.x.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.x: A = None self.txt = txt g = A("g") e = B("e") i = A("i") g.v = i e.x = g i.v = g assert e.x.v.v.txt == "g"

e

g

i

g

x

3

2

3

1

563

class A: def __init__(self, txt: str): self.o: 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") a = B("a") b = A("b") e = B("e") h = A("h") j.o = e a.x = h a.t = h b.o = e e.x = b e.t = j h.o = e...

j"

class A: def __init__(self, txt: str): self.o: 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") a = B("a") b = A("b") e = B("e") h = A("h") j.o = e a.x = h a.t = h b.o = e e.x = b e.t = j h.o = e...

e

j

e

b

e

j

x

5

6

2

5

3

564

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

h"

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

e

h

e

h

x

3

2

3

2

565

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.w: B = None self.txt = txt h = A("h") g = B("g") c = A("c") d = B("d") a = B("a") h.w = a h.t = a g.w = d c.w = g c.t = d d.w = g a.w = d...

d"

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.w: B = None self.txt = txt h = A("h") g = B("g") c = A("c") d = B("d") a = B("a") h.w = a h.t = a g.w = d c.w = g c.t = d d.w = g a.w = d...

d

g

d

g

d

x

5

6

2

4

3

566

class A: def __init__(self, txt: str): self.t: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") e = B("e") c = A("c") j = A("j") i = B("i") f.t = j f.o = e e.x = i c.t = j c.o = e j.t = c j.o = i...

i"

class A: def __init__(self, txt: str): self.t: A = None self.o: B = None self.txt = txt class B: def __init__(self, txt: str): self.x: B = None self.txt = txt f = A("f") e = B("e") c = A("c") j = A("j") i = B("i") f.t = j f.o = e e.x = i c.t = j c.o = e j.t = c j.o = i...

i

e

i

e

i

x

5

8

2

4

3

567

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

c"

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

c

j

c

j

c

x

4

5

2

4

3

568

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

j"

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

i

j

i

j

x

4

7

2

3

2

569

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

e"

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

j

a

d

a

d

e

h

e

7

9

2

7

3

570

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

d"

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

j

d

c

d

x

3

2

3

1

571

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

j"

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

f

j

b

j

f

b

j

x

7

13

2

6

4

572

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

d"

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

e

j

d

j

d

x

4

6

2

4

2

573

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

b"

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

c

b

a

b

a

b

x

5

2

5

3

574

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

f"

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

c

f

e

f

h

f

x

7

10

2

5

2

575

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

d"

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

b

d

c

b

d

x

4

6

2

4

2

576

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

i"

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

e

i

e

i

x

4

5

2

3

2

577

class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.r: B = None self.txt = txt e = A("e") f = B("f") a = A("a") g = B("g") e.x = f f.z = g f.r = g a.x = f g.z = f g.r = f assert e.x.z.z.txt...

f"

class A: def __init__(self, txt: str): self.x: B = None self.txt = txt class B: def __init__(self, txt: str): self.z: B = None self.r: B = None self.txt = txt e = A("e") f = B("f") a = A("a") g = B("g") e.x = f f.z = g f.r = g a.x = f g.z = f g.r = f assert e.x.z.z.txt...

e

f

g

f

x

4

2

3

1

578

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

c"

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

h

c

h

c

h

c

x

5

2

5

4

579

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

c"

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

a

g

c

g

c

g

c

x

7

2

6

4

580

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

g"

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

h

c

h

c

g

x

7

12

2

4

2

581

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

j"

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

f

a

i

g

j

x

7

10

2

4

0

582

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

e"

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

e

j

f

e

x

7

13

2

3

1

583

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

d"

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

e

d

e

d

x

4

2

3

2

584

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

f"

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

h

f

h

f

x

6

2

3

2

585

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

c"

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

a

c

e

j

h

b

c

x

7

11

2

6

1

586

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

d"

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

f

d

f

d

x

7

14

2

3

2

587

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

e"

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

d

c

d

c

e

x

4

6

2

4

2

588

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

d"

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

e

f

j

d

j

d

x

6

11

2

5

2

589

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

e"

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

a

e

a

e

a

e

x

5

6

2

5

4

590

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

i"

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

j

g

a

i

x

5

7

2

3

0

591

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

f"

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

h

c

i

f

i

f

x

5

2

5

2

592

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 c = A("c") a = B("a") b = A("b") h = A("h") g = B("g") d = B("d") c.o = h a.z = h b.o = c h.o = c g.z = b d.z = b assert c.o.o.o.txt ==...

h"

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 c = A("c") a = B("a") b = A("b") h = A("h") g = B("g") d = B("d") c.o = h a.z = h b.o = c h.o = c g.z = b d.z = b assert c.o.o.o.txt ==...

c

h

c

h

x

6

2

3

2

593

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.w: B = None self.txt = txt j = A("j") f = B("f") a = B("a") g = A("g") c = B("c") h = A("h") j.y = c j.x = a f.w = c a.w = f g.y = a g.x ...

a"

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.w: B = None self.txt = txt j = A("j") f = B("f") a = B("a") g = A("g") c = B("c") h = A("h") j.y = c j.x = a f.w = c a.w = f g.y = a g.x ...

g

a

f

c

a

x

6

9

2

4

1

594

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

e"

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

g

e

g

e

x

4

2

3

2

595

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

a"

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

g

f

g

a

x

5

10

2

3

1

596

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

i"

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

a

i

h

i

h

i

x

5

2

5

3

597

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

c"

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

f

c

f

c

x

4

2

3

2

598

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt c = A("c") f = B("f") e = A("e") h = B("h") g = B("g") a = B("a") j = A("j") c.z = f f.p = g e.z = f h.p = a g.p = f a.p = h j.z = g as...

a"

class A: def __init__(self, txt: str): self.z: B = None self.txt = txt class B: def __init__(self, txt: str): self.p: B = None self.txt = txt c = A("c") f = B("f") e = A("e") h = B("h") g = B("g") a = B("a") j = A("j") c.z = f f.p = g e.z = f h.p = a g.p = f a.p = h j.z = g as...

h

a

h

a

x

7

2

3

2

599

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

b"

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

d

b

j

b

x

4

7

2

3

1