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곱셈: 2 x 23X3

1

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

2

		9	2
		3	0
			0
2	7	6	0
2	7	6	0

3

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

4

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

5

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

6

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

7

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

8

		7	9
		2	3
	2	3	7
1	5	8	0
1	8	1	7

9

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

10

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

11

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

12

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

13

		9	3
		5	8
	7	4	4
4	6	5	0
5	3	9	4

14

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

15

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

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