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곱셈: 2 x 23X7

1

		3	7
		2	0
			0
	7	4	0
	7	4	0

2

		1	7
		9	5
		8	5
1	5	3	0
1	6	1	5

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

		4	9
		6	5
	2	4	5
2	9	4	0
3	1	8	5

12

		8	5
		1	9
	7	6	5
	8	5	0
1	6	1	5

13

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

14

		3	5
		2	0
			0
	7	0	0
	7	0	0

15

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

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