sortedMap.put(vKey4b, data4b);
String content5a = generateRandomString();
Number160 vKey5a = generateVersionKey(5, content5a);
Data data5a = new Data(content5a);
data5a.addBasedOn(vKey4a);
sortedMap.put(vKey5a, data5a);
String content5b = generateRandomString();
Number160 vKey5b = generateVersionKey(5, content5b);
Data data5b = new Data(content5b);