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곱셈: 2 x 21X3

1

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

2

		7	7
		1	1
		7	7
	7	7	0
	8	4	7

3

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

4

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

5

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

6

		6	3
		7	0
			0
4	4	1	0
4	4	1	0

7

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

8

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

9

		1	5
		8	1
		1	5
1	2	0	0
1	2	1	5

10

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

11

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

12

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

13

		3	3
		3	1
		3	3
	9	9	0
1	0	2	3

14

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

15

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

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