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곱셈: 2 x 11X9

	1	9
		8
1	5	2

	5	5
		8
4	4	0

	2	3
		9
2	0	7

		3	9
			2
		7	8

	6	0
		6
3	6	0

		1	2
			1
		1	2

		1	2
			2
		2	4

		6	3
			1
		6	3

		3	8
			2
		7	6

		1	9
			2
		3	8

	9	9
		5
4	9	5

	6	2
		5
3	1	0

	1	5
		8
1	2	0

		1	2
			7
		8	4

	3	6
		3
1	0	8