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곱셈: 2 x 21X1

1

		1	1
		2	1
		1	1
	2	2	0
	2	3	1

2

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

3

		6	4
		5	8
	5	1	2
3	2	0	0
3	7	1	2

4

		6	5
		9	8
	5	2	0
5	8	5	0
6	3	7	0

5

		4	9
		9	1
		4	9
4	4	1	0
4	4	5	9

6

		7	7
		2	9
	6	9	3
1	5	4	0
2	2	3	3

7

		7	1
		6	4
	2	8	4
4	2	6	0
4	5	4	4

8

		2	4
		5	5
	1	2	0
1	2	0	0
1	3	2	0

9

		9	4
		5	2
	1	8	8
4	7	0	0
4	8	8	8

10

		4	0
		8	9
	3	6	0
3	2	0	0
3	5	6	0

11

		5	4
		2	0
			0
1	0	8	0
1	0	8	0

12

		4	4
		1	3
	1	3	2
	4	4	0
	5	7	2

13

		2	5
		4	5
	1	2	5
1	0	0	0
1	1	2	5

14

		9	3
		4	0
			0
3	7	2	0
3	7	2	0

15

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

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