SEATTLE -- Can anything surpass the pain of a Super Bowl loss?For the San Francisco 49ers, the answer might be yes. It's difficult to imagine a more despondent scene than the 49ers' locker room after a 23-17 loss at rival Seattle on Sunday evening in the NFC Championship Game.Quarterback Colin Kaepernick, who threw an interception in the end zone with 22 seconds to go, sat at his locker, staring straight ahead. He appeared shell-shocked.