1: AaBbCcDd 2: EeFfGgHhIiJj 3: OoNnMmLlKk 4: PpQqRr 5: SsTtUu 6: VvWwX 7: xYyZ 8: z Bb and cD swapped Gg and HhIi swapped NoO and Kk swapped Sequences overlap 1: AacDCBbd 2: EeFfHhIiGgJj 3: kKnMmLlNoO 4: PpQqRr 5: SsTtUu 6: VvWwX 7: xYyZ 8: z TtU and vWw swapped xYyZ and z swapped sS and jJ swapped Gene does not exist in sequence 1: AacDCBbd 2: EeFfHhIiGgSs 3: kKnMmLlNoO 4: PpQqRr 5: JjvWwu 6: VTtUX 7: z 8: xYyZ