Solve this number sequence: 20, 21, 21, 22, 12,? – puzzling.stackexchange.com 07:59 Posted by Unknown No Comments Can you find the last number of this sequence, it may require a bit of a leap? 20, 21, 21, 22, 12, ? Hint 1: Hint 2: from Hot Questions - Stack Exchange OnStackOverflow via Blogspot Share this Unknown
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