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곱셈: 2 x 21X8

1

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

2

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

3

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

4

		2	0
		6	2
		4	0
1	2	0	0
1	2	4	0

5

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

6

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

7

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

8

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

9

		6	2
		1	0
			0
	6	2	0
	6	2	0

10

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

11

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

12

		3	5
		7	6
	2	1	0
2	4	5	0
2	6	6	0

13

		3	0
		3	4
	1	2	0
	9	0	0
1	0	2	0

14

		5	8
		2	4
	2	3	2
1	1	6	0
1	3	9	2

15

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

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