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곱셈: 2 x 21X3

1

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

2

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

3

		6	1
		5	6
	3	6	6
3	0	5	0
3	4	1	6

4

		4	7
		2	4
	1	8	8
	9	4	0
1	1	2	8

5

		9	4
		9	7
	6	5	8
8	4	6	0
9	1	1	8

6

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

7

		9	3
		5	0
			0
4	6	5	0
4	6	5	0

8

		5	4
		5	5
	2	7	0
2	7	0	0
2	9	7	0

9

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

10

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

11

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

12

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

13

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

14

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

15

		1	5
		3	0
			0
	4	5	0
	4	5	0

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