21
a	0.048619
b	0.048519
c	0.048419
d	0.048319
e	0.048219
f	0.048119
g	0.048019
h	0.047919
i	0.047819
j	0.047719
k	0.047619
l	0.047519
m	0.047419
n	0.047319
o	0.047219
p	0.047119
q	0.047019
r	0.046919
s	0.046819
t	0.046719
u	0.046619
210
a	b	1
a	c	1
b	c	1
a	d	1
b	d	1
c	d	1
a	e	1
b	e	1
c	e	1
d	e	1
a	f	1
b	f	1
c	f	1
d	f	1
e	f	1
a	g	1
b	g	1
c	g	1
d	g	1
e	g	1
f	g	1
a	h	1
b	h	1
c	h	1
d	h	1
e	h	1
f	h	1
g	h	1
a	i	1
b	i	1
c	i	1
d	i	1
e	i	1
f	i	1
g	i	1
h	i	1
a	j	1
b	j	1
c	j	1
d	j	1
e	j	1
f	j	1
g	j	1
h	j	1
i	j	1
a	k	1
b	k	1
c	k	1
d	k	1
e	k	1
f	k	1
g	k	1
h	k	1
i	k	1
j	k	1
a	l	1
b	l	1
c	l	1
d	l	1
e	l	1
f	l	1
g	l	1
h	l	1
i	l	1
j	l	1
k	l	1
a	m	1
b	m	1
c	m	1
d	m	1
e	m	1
f	m	1
g	m	1
h	m	1
i	m	1
j	m	1
k	m	1
l	m	1
a	n	1
b	n	1
c	n	1
d	n	1
e	n	1
f	n	1
g	n	1
h	n	1
i	n	1
j	n	1
k	n	1
l	n	1
m	n	1
a	o	1
b	o	1
c	o	1
d	o	1
e	o	1
f	o	1
g	o	1
h	o	1
i	o	1
j	o	1
k	o	1
l	o	1
m	o	1
n	o	1
a	p	1
b	p	1
c	p	1
d	p	1
e	p	1
f	p	1
g	p	1
h	p	1
i	p	1
j	p	1
k	p	1
l	p	1
m	p	1
n	p	1
o	p	1
a	q	1
b	q	1
c	q	1
d	q	1
e	q	1
f	q	1
g	q	1
h	q	1
i	q	1
j	q	1
k	q	1
l	q	1
m	q	1
n	q	1
o	q	1
p	q	1
a	r	1
b	r	1
c	r	1
d	r	1
e	r	1
f	r	1
g	r	1
h	r	1
i	r	1
j	r	1
k	r	1
l	r	1
m	r	1
n	r	1
o	r	1
p	r	1
q	r	1
a	s	1
b	s	1
c	s	1
d	s	1
e	s	1
f	s	1
g	s	1
h	s	1
i	s	1
j	s	1
k	s	1
l	s	1
m	s	1
n	s	1
o	s	1
p	s	1
q	s	1
r	s	1
a	t	1
b	t	1
c	t	1
d	t	1
e	t	1
f	t	1
g	t	1
h	t	1
i	t	1
j	t	1
k	t	1
l	t	1
m	t	1
n	t	1
o	t	1
p	t	1
q	t	1
r	t	1
s	t	1
a	u	1
b	u	1
c	u	1
d	u	1
e	u	1
f	u	1
g	u	1
h	u	1
i	u	1
j	u	1
k	u	1
l	u	1
m	u	1
n	u	1
o	u	1
p	u	1
q	u	1
r	u	1
s	u	1
t	u	1