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곱셈: 2 x 22X7

1

		2	7
		4	4
	1	0	8
1	0	8	0
1	1	8	8

2

		2	0
		1	1
		2	0
	2	0	0
	2	2	0

3

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

4

		4	7
		9	4
	1	8	8
4	2	3	0
4	4	1	8

5

		4	4
		6	0
			0
2	6	4	0
2	6	4	0

6

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

7

		9	4
		2	3
	2	8	2
1	8	8	0
2	1	6	2

8

		6	1
		5	2
	1	2	2
3	0	5	0
3	1	7	2

9

		7	6
		5	0
			0
3	8	0	0
3	8	0	0

10

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

11

		8	9
		7	2
	1	7	8
6	2	3	0
6	4	0	8

12

		7	8
		5	4
	3	1	2
3	9	0	0
4	2	1	2

13

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

14

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

15

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

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