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곱셈: 2 x 21X1

1

		1	1
		9	1
		1	1
	9	9	0
1	0	0	1

2

		7	2
		6	2
	1	4	4
4	3	2	0
4	4	6	4

3

		2	5
		3	3
		7	5
	7	5	0
	8	2	5

4

		1	8
		5	2
		3	6
	9	0	0
	9	3	6

5

		6	1
		3	0
			0
1	8	3	0
1	8	3	0

6

		4	3
		5	6
	2	5	8
2	1	5	0
2	4	0	8

7

		1	0
		5	2
		2	0
	5	0	0
	5	2	0

8

		4	5
		5	0
			0
2	2	5	0
2	2	5	0

9

		4	0
		8	5
	2	0	0
3	2	0	0
3	4	0	0

10

		9	5
		4	8
	7	6	0
3	8	0	0
4	5	6	0

11

		9	4
		3	1
		9	4
2	8	2	0
2	9	1	4

12

		2	0
		5	5
	1	0	0
1	0	0	0
1	1	0	0

13

		6	6
		2	4
	2	6	4
1	3	2	0
1	5	8	4

14

		4	9
		2	4
	1	9	6
	9	8	0
1	1	7	6

15

		2	2
		1	1
		2	2
	2	2	0
	2	4	2

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