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곱셈: 2 x 21X9

1

		1	9
		2	7
	1	3	3
	3	8	0
	5	1	3

2

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

3

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

4

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

5

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

6

		3	6
		3	1
		3	6
1	0	8	0
1	1	1	6

7

		1	0
		1	3
		3	0
	1	0	0
	1	3	0

8

		6	8
		1	4
	2	7	2
	6	8	0
	9	5	2

9

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

10

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

11

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

12

		3	0
		9	2
		6	0
2	7	0	0
2	7	6	0

13

		5	2
		7	6
	3	1	2
3	6	4	0
3	9	5	2

14

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

15

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

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