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곱셈: 2 x 21X9

1

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

2

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

3

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

4

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

5

		9	5
		5	9
	8	5	5
4	7	5	0
5	6	0	5

6

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

7

		3	0
		5	3
		9	0
1	5	0	0
1	5	9	0

8

		7	7
		2	4
	3	0	8
1	5	4	0
1	8	4	8

9

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

10

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

11

		8	5
		4	0
			0
3	4	0	0
3	4	0	0

12

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

13

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

14

		1	5
		4	0
			0
	6	0	0
	6	0	0

15

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

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