(45 choose 4) - (36 choose 4) - [(9 choose 1)*(36 choose 3) + (((9 choose 2)(6 choose 2))*(1/3))](45 choose 4) - (36 choose 4) - [(9 choose 1)*(36 choose 3) + (((9 choose 2)(6 choose 2))*(1/3))]

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