8, even, odd, 15,20,25,, 40, 15, 30, 20, 8-5=, 5, 8, 0, 3, 20-1=, 20, 19, 18, 17, 20-4=, 18, 15, 16, 17, 18-9=, 9, 5, 6, 3, 11-3=, 8, 9, 7, 6, 14-3=, 12, 13, 11, 8, 15-6=, 8, 9, 13, 15, 15-15=, 15, 0, 8, 7, 9, even, odd, 42, even, odd, 16-5=, 11, 12, 13, 14, 15-8=, 8, 7, 9, 6, 40, even, odd, 12, even, odd, 17, even, odd, 20-10=, 8, 7, 10, 9, 5, even, odd, 50, even, odd, 12-6=, 4, 5, 6, 7, 4-2=, 1, 2, 3, 4, 8-4=, 2, 3, 4, 5, 32, even, odd, 6, even, odd, 18, 9+9, 4+4, 7+7, 14, 10.

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