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곱셈: 2 x 11X1

		1	1
			7
		7	7

		1	8
			1
		1	8

		1	9
			4
		7	6

		2	1
			4
		8	4

		1	3
			2
		2	6

	3	9
		8
3	1	2

	4	2
		7
2	9	4

	8	3
		2
1	6	6

	2	8
		9
2	5	2

		2	7
			1
		2	7

		4	8
			1
		4	8

		4	0
			2
		8	0

	2	7
		9
2	4	3

	3	5
		6
2	1	0

		1	2
			4
		4	8