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곱셈: 2 x 23X0

1

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

2

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

3

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

4

		4	5
		2	4
	1	8	0
	9	0	0
1	0	8	0

5

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

6

		5	8
		5	3
	1	7	4
2	9	0	0
3	0	7	4

7

		9	0
		1	5
	4	5	0
	9	0	0
1	3	5	0

8

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

9

		4	0
		1	3
	1	2	0
	4	0	0
	5	2	0

10

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

11

		5	1
		8	1
		5	1
4	0	8	0
4	1	3	1

12

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

13

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

14

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

15

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

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