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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

		2	7
		1	0
			0
	2	7	0
	2	7	0

10

		5	1
		6	3
	1	5	3
3	0	6	0
3	2	1	3

11

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

12

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

13

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

14

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

15

		3	5
		1	6
	2	1	0
	3	5	0
	5	6	0

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