a	b
14	aaa
a	b
15	bbb
a	b
16	ccc
a	b
15	bbb
a	b
22	iii
a	b
21	hhh
a	b
20	ggg
a	b
14	aaa
a	b
a	b
22	iii
a	b
21	hhh
a	b
22	iii
a	b
a	b
15	bbb
a	b
16	ccc
a	b
19	fff
a	b
19	yyy
a	b
19	fff
a	b
a	b
14	aaa
a	b
18	eee
a	b
18	eee
a	b
19	fff
a	b
18	eee
a	b
17	ddd
a	b
14	aaa
15	bbb
16	ccc
16	xxx
17	ddd
a	b
18	eee
19	fff
19	yyy
a	b
19	fff
18	eee
17	ddd
16	xxx
16	ccc
15	bbb
14	aaa
a	b
16	ccc
16	xxx
17	ddd
18	eee
a	b
17	ddd
18	eee
a	b
22	iii
21	hhh
20	ggg
a	b
19	fff
a	b
19	yyy
a	b
17	ddd
a	b
18	eee
a	b
19	fff