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(11 choose 5) * 4! * 5! - 2! * (9 choose 3) * 4! / 5 * 5! - 2! * (9 choose 4) * 5! / 6 * 4!
(11 choose 5) * 4! * 5! - 2! * (9 choose 3) * 4! / 5 * 5! - 2! * (9 choose 4) * 5! / 6 * 4!
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