B = Free block; A = Address of free block; S = Free size Allocation available bytes: 64 bytes B 0: A: 0x013CB160, S: 0, next B: 0x013CB558; Start block B 1: A: 0x013CB558, S: 64, next B: 0x013CB598 B 2: A: 0x013CB598, S: 0, next B: 0x00000000; End of region