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곱셈: 2 x 21X3

1

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

2

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

3

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

4

		3	7
		9	3
	1	1	1
3	3	3	0
3	4	4	1

5

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

6

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

7

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

8

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

9

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

10

		2	6
		6	0
			0
1	5	6	0
1	5	6	0

11

		7	2
		6	0
			0
4	3	2	0
4	3	2	0

12

		5	2
		2	3
	1	5	6
1	0	4	0
1	1	9	6

13

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

14

		9	4
		7	7
	6	5	8
6	5	8	0
7	2	3	8

15

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

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