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@a=qw(1 4 6 2 7 87 5 6 4 32) @b = qw(86 50 62 41 32)
1 x 4 x 6 x 2 x 7 x 87 x 5 x 6 x 4 x 32 --------------------------------------- 86 x 50 x 62 x 41 x 32