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곱셈: 2 x 21X3

1

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

2

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

3

		3	2
		2	0
			0
	6	4	0
	6	4	0

4

		7	4
		4	0
			0
2	9	6	0
2	9	6	0

5

		5	7
		3	3
	1	7	1
1	7	1	0
1	8	8	1

6

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

7

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

8

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

9

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

10

		2	5
		2	0
			0
	5	0	0
	5	0	0

11

		5	1
		9	3
	1	5	3
4	5	9	0
4	7	4	3

12

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

13

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

14

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

15

		6	2
		1	0
			0
	6	2	0
	6	2	0

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