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곱셈: 2 x 13X8

	3	8
		7
2	6	6

	4	4
		9
3	9	6

		1	1
			2
		2	2

	3	7
		7
2	5	9

	2	0
		6
1	2	0

		3	3
			1
		3	3

	8	9
		3
2	6	7

		1	3
			3
		3	9

		2	0
			3
		6	0

	6	5
		7
4	5	5

	1	2
		9
1	0	8

		2	4
			2
		4	8

	6	3
		4
2	5	2

		8	5
			1
		8	5

	5	5
		4
2	2	0