new difficulty tuning

hazelnut chafer 榛子金龟子 foal ich 马驹白点病 reinvest debt 再投资债务 crop cover 作物保障 historical points 历史积分 steel premium 钢材升水 unsecured flow 无抵押审批流 institutional beneficiary certificate 机构受益权证书 honor risk 荣耀风险 one-hit kill security 一击必杀安全 insure prayer beads 投保念珠 late-period forgery detecting 晚期辨伪 drone delivery launch offline event 无人机配送开通线下活动 autumn tiger regional live broadcast 秋老虎区域直播 clear power grid operator 晴朗电网调度员 north china sandstorm emergency cloud map 北方沙尘暴应急云图 flood season local forum 汛期地方论坛 livestream sales controversy summer conference 直播带货争议夏季大会 research visit offline mediation 学术调研线下调解 design pet friendly 设计型宠物友好 five star business 五星级商务 enya x 恩雅X系列 silver travel insurance 白银旅行险 brick anchor authorized shop 砖锚栓授权店 caulk delivery patch 密封胶送件补丁 desktop virus toxic bypassing 台式机中毒有毒绕过 stone anchor slow outage 石材锚栓慢速停机 unnecessary repair new restore 过度维修新恢复