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곱셈: 2 x 21X3

1

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

2

		3	3
		7	0
			0
2	3	1	0
2	3	1	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		4	4
		2	9
	3	9	6
	8	8	0
1	2	7	6

11

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

12

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

13

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

14

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

15

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

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