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곱셈: 2 x 11X3

	1	3
		9
1	1	7

		2	3
			4
		9	2

	3	6
		7
2	5	2

	2	5
		8
2	0	0

		6	2
			1
		6	2

	7	5
		4
3	0	0

	7	2
		4
2	8	8

	3	7
		4
1	4	8

	4	4
		5
2	2	0

	9	2
		4
3	6	8

	3	6
		3
1	0	8

	2	4
		5
1	2	0

	5	4
		2
1	0	8

	4	0
		7
2	8	0

		2	8
			1
		2	8