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곱셈: 2 x 23X7

1

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

2

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

3

		1	1
		7	6
		6	6
	7	7	0
	8	3	6

4

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

5

		5	6
		4	8
	4	4	8
2	2	4	0
2	6	8	8

6

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

7

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

8

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

9

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

10

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

11

		1	4
		6	1
		1	4
	8	4	0
	8	5	4

12

		1	4
		6	0
			0
	8	4	0
	8	4	0

13

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

14

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

15

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

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