Encryption password failure


Android Question

SOS!! Impertent please help ASAP.. I have Samsung Galaxy S3 non US version [GT-I9300] And the phone memory is encrypted with password so i need to insert the password everytime i start my phone, i used like that for many months, but just an hour ago suddenly the phone has turned off and started again, then when i insert the password it says wrong pass try again, like that many times i tried checked and rechecked, then suddenly it says i left only nine attempts before all device data will be erased.. I have a lot of info there and nothing is backed up, obviously all contacts and comm.. I don't know what to do PLEASE someone to help SOS thanks very mach