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곱셈: 2 x 21X1

1

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

2

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

3

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

4

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

5

		5	1
		4	5
	2	5	5
2	0	4	0
2	2	9	5

6

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

7

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

8

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

9

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

10

		2	9
		7	5
	1	4	5
2	0	3	0
2	1	7	5

11

		9	3
		7	9
	8	3	7
6	5	1	0
7	3	4	7

12

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

13

		8	4
		8	5
	4	2	0
6	7	2	0
7	1	4	0

14

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

15

		9	9
		4	4
	3	9	6
3	9	6	0
4	3	5	6

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