firstStage 1
lastStage 1
DNA A 1 AAAA
DNA B 1 TTTT
initialSeparation   2.0
baseInteraction A 1 WatsonCrick B 4 WatsonCrick Cis
baseInteraction A 2 WatsonCrick B 3 WatsonCrick Cis
baseInteraction A 3 WatsonCrick B 2 WatsonCrick Cis
baseInteraction A 4 WatsonCrick B 1 WatsonCrick Cis