I said 0xC for each Core , if you have common,rare and legendary,you will have 36 bytes data for Core
0C 60 19 00 67 85 0A 00 74 00 00 00 looks like you rare core's data
at you code 0x0C60 is item ID,0x1900 is value 3,0x67850a00 and 0x74 looks like sort or something, i'm not sure