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곱셈: 3 x 21X3

1

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

2

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

3

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

4

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

5

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

6

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

7

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

8

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

9

		1	8	1
			1	6
	1	0	8	6
	1	8	1	0
	2	8	9	6

10

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

11

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

12

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

13

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

14

		1	0	1
			7	3
		3	0	3
	7	0	7	0
	7	3	7	3

15

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

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