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곱셈: 3 x 21X3

1

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

2

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

3

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

4

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

5

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

6

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

7

		3	1	0
			3	0
				0
	9	3	0	0
	9	3	0	0

8

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

9

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

10

		4	4	1
			4	1
		4	4	1
1	7	6	4	0
1	8	0	8	1

11

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

12

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

13

		2	0	1
			8	5
	1	0	0	5
1	6	0	8	0
1	7	0	8	5

14

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

15

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

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