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곱셈: 3 x 22X7

1

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

2

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

3

		4	1	4
			5	1
		4	1	4
2	0	7	0	0
2	1	1	1	4

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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