Sort the following steps in the order that they normally happen during the process of repairing double-strand breaks by homologous recombination. Your answer would be a six-letter string composed of letters A to F only, e.g. DEFABC.
(A) Ligation
(B) DNA synthesis using undamaged DNA as the template
(C) DNA synthesis using original DNA as the template
(D) Release of the invading strand
(E) Strand invasion
(F) Nuclease digestion (resection)