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곱셈: 2 x 22X7

1

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

2

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

3

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

4

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

5

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

6

		3	2
		6	0
			0
1	9	2	0
1	9	2	0

7

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

8

		6	3
		1	0
			0
	6	3	0
	6	3	0

9

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

10

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

11

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

12

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

13

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

14

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

15

		2	5
		3	0
			0
	7	5	0
	7	5	0

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