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곱셈: 2 x 22X7

1

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

2

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

3

		6	0
		1	1
		6	0
	6	0	0
	6	6	0

4

		2	6
		4	4
	1	0	4
1	0	4	0
1	1	4	4

5

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

6

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

7

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

8

		3	7
		3	1
		3	7
1	1	1	0
1	1	4	7

9

		3	7
		1	0
			0
	3	7	0
	3	7	0

10

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

11

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

12

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

13

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

14

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

15

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

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