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곱셈: 2 x 11X2

		1	2
			3
		3	6

	7	3
		4
2	9	2

	5	2
		9
4	6	8

		9	2
			1
		9	2

		1	2
			1
		1	2

	9	1
		8
7	2	8

		2	7
			2
		5	4

	6	1
		2
1	2	2

		5	0
			1
		5	0

	2	3
		8
1	8	4

		2	6
			2
		5	2

	1	8
		8
1	4	4

	9	5
		2
1	9	0

	5	9
		3
1	7	7

		3	4
			1
		3	4