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곱셈: 2 x 13X1

	3	1
		8
2	4	8

	5	3
		5
2	6	5

	2	6
		5
1	3	0

	6	0
		5
3	0	0

	2	0
		9
1	8	0

	5	7
		8
4	5	6

	4	1
		7
2	8	7

	9	2
		3
2	7	6

	6	9
		3
2	0	7

		1	8
			2
		3	6

	2	1
		8
1	6	8

	1	3
		8
1	0	4

	4	6
		8
3	6	8

	4	8
		8
3	8	4

	3	9
		6
2	3	4