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곱셈: 3 x 22X7

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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