5.1 Subwoofer and Front center audio swapped (12.04)

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http://askubuntu.com – Well, as the title says, my subwoofer and central audio are swapped. I tried, as a post said, to mannualy modify the audio channels, In /usr/share/pulseaudio/alsa-mixer/profile-sets/default.conf. I made a sound test, but subwoofer played center's audio and viceversa. Please Help! I need somebody!, but not just anybody! My Sound Card is a Creative SB Live! 5.1 PCI (HowTos)