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곱셈: 2 x 21X1

1

		1	1
		7	2
		2	2
	7	7	0
	7	9	2

2

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

3

		6	3
		7	1
		6	3
4	4	1	0
4	4	7	3

4

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

5

		1	0
		1	6
		6	0
	1	0	0
	1	6	0

6

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

7

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

8

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

9

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

10

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

11

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

12

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

13

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

14

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

15

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

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