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곱셈: 3 x 22X7

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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