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곱셈: 2 x 11X9

		1	9
			3
		5	7

	4	1
		7
2	8	7

		5	2
			1
		5	2

	6	7
		3
2	0	1

	6	1
		2
1	2	2

	4	5
		8
3	6	0

	8	9
		3
2	6	7

	7	5
		4
3	0	0

	2	1
		6
1	2	6

	5	8
		8
4	6	4

	6	0
		4
2	4	0

	3	0
		9
2	7	0

	1	3
		8
1	0	4

	2	2
		9
1	9	8

		2	0
			1
		2	0