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곱셈: 2 x 21X8

1

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

2

		5	3
		7	2
	1	0	6
3	7	1	0
3	8	1	6

3

		7	9
		2	1
		7	9
1	5	8	0
1	6	5	9

4

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

5

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

6

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

7

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

8

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

9

		1	0
		7	8
		8	0
	7	0	0
	7	8	0

10

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

11

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

12

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

13

		4	5
		2	2
		9	0
	9	0	0
	9	9	0

14

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

15

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

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