７＊７方格去掉四角各四个各，剩下３３个格除中间以外其他都放满牌，一长牌跳过另一张牌，被跳过的牌会被移走，求最后只剩中间一张牌的算法？-7* 7 1.40 removed the box four of the remaining 33 in addition to the middle lattice outside are filled with other licensing, a long licensing skip another card, skip the license will be removed and left for the middle of a licensing algorithm?
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.002233s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.084745s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.002634s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.002182s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002231s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003951s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002211s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003514s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.014630s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002691s ]
UPDATE `jrk_articles` SET `hits` = 1 WHERE `id` = 153699 [ RunTime:0.001220s ]
