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Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
!7 p-exp { for (L l : allSpreads(5, 3)) printStruct(l); LL l = asList(allSpreads(5, 3)); LL l2 = reversed(map reversed(l)); pnlStruct(zipTwoListsToPairs_ifSameLength(l, l2)); }