1
12
123
1234
12345
123456
1234567
12345678
1123456789
123456789
12345678
1234567
123456
12345
1234
123
12
1
1
1	2
1	23
1	23	4
1	23	45
1	23	45	6
1	23	45	67
1	23	45	67	8
	11	23	45	67	89
	12	34	56	78	9
	12	34	56	78
	12	34	56	7
	12	34	56
	12	34	5
	12	34
	12	3
	12
	1