abc1	1
abc2	1
abc3	1
abc4	1
abc	4
abc	ab
abc	ab
abc	ab
abc	bc
abc	bc
abc	a
abc	a
abc	a
abc	a
abc	a
abc	a
abc	a
abc	a
1	abc	a
1	abc	a
1	abc	a
1	abc	a
abc1	1
abc2	1
abc3	1
abc4	1
abc	4
abc	ab
abc	ab
abc	ab
abc	bc
abc	bc
abc	a
abc	a
abc	a
abc	a
abc	a
abc	a
abc	a
abc	a
1	abc	a
1	abc	a
1	abc	a
1	abc	a