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곱셈: 3 x 21X7

1

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

2

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

3

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

4

		2	5	1
			9	2
		5	0	2
2	2	5	9	0
2	3	0	9	2

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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