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곱셈: 2 x 21X2

1

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

2

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

3

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

4

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

5

		5	6
		3	5
	2	8	0
1	6	8	0
1	9	6	0

6

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

7

		6	5
		1	3
	1	9	5
	6	5	0
	8	4	5

8

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

9

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

10

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

11

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

12

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

13

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

14

		7	5
		1	0
			0
	7	5	0
	7	5	0

15

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

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