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곱셈: 2 x 21X3

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

		5	6
		7	3
	1	6	8
3	9	2	0
4	0	8	8

11

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

12

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

13

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

14

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

15

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

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