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곱셈: 2 x 23X7

1

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

2

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

3

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

4

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

5

		2	1
		3	0
			0
	6	3	0
	6	3	0

6

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

7

		1	3
		4	0
			0
	5	2	0
	5	2	0

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

		7	2
		7	9
	6	4	8
5	0	4	0
5	6	8	8

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