Wirelessly posted (Mozilla/5.0 (SymbianOS/9.2; U; Series60/3.1 NokiaE71-2/100.07.76; Profile/MIDP-2.0 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML, like Gecko) Safari/413)
Sounds like the cooking surface (grill?) had a cool spot, and your steak straddled this spot half-on, half-off as it cooked.