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999	X	N	=	R
999	X	1	=	999
999	X	2	=	1998
999	X	3	=	2997
999	X	4	=	3996
999	X	5	=	4995
999	X	6	=	5994
999	X	7	=	6993
999	X	8	=	7992
999	X	9	=	8991
999	X	10	=	9990
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