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곱셈: 3 x 22X7

1

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

2

		5	2	1
			3	0
				0
1	5	6	3	0
1	5	6	3	0

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

		3	8	1
			1	1
		3	8	1
	3	8	1	0
	4	1	9	1

14

		9	2	1
			1	9
	8	2	8	9
	9	2	1	0
1	7	4	9	9

15

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

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