set friend mutual courses in redis
set friend mutual courses in redis

ccqi/rmc,shakilkanji/rmc,JGulbronson/rmc,MichalKononenko/rmc,rageandqq/rmc,MichalKononenko/rmc,sachdevs/rmc,JGulbronson/rmc,sachdevs/rmc,UWFlow/rmc,duaayousif/rmc,MichalKononenko/rmc,shakilkanji/rmc,ccqi/rmc,shakilkanji/rmc,sachdevs/rmc,MichalKononenko/rmc,rageandqq/rmc,MichalKononenko/rmc,ccqi/rmc,UWFlow/rmc,shakilkanji/rmc,JGulbronson/rmc,duaayousif/rmc,JGulbronson/rmc,ccqi/rmc,rageandqq/rmc,UWFlow/rmc,duaayousif/rmc,duaayousif/rmc,rageandqq/rmc,ccqi/rmc,sachdevs/rmc,UWFlow/rmc,duaayousif/rmc,shakilkanji/rmc,sachdevs/rmc,rageandqq/rmc,JGulbronson/rmc,UWFlow/rmc