toAlign.addRange("2", 20, 21, "B");
toAlign.addRange("2", 22, 22, "C");
List<StructureCommandI> command = testee.superposeStructures(ref,
toAlign.addRange("2", 20, 21, "B");
toAlign.addRange("2", 22, 22, "C");
List<StructureCommandI> command = testee.superposeStructures(ref,