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곱셈: 2 x 21X2

1

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

2

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

3

		1	1
		2	2
		2	2
	2	2	0
	2	4	2

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

		4	3
		1	0
			0
	4	3	0
	4	3	0

15

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

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