List<Pair<Integer, Pair<Integer, Integer>>> listPairOfPair = null;

listPairOfPair.add(new Pair<Integer, Pair<Integer, Integer>>(1, (2,3));

listPairOfPair.add(new Pair<Integer, Pair<Integer, Integer>>(1, Pair.create(2,3)));

Pair<Integer, Integer> onePair = new Pair<>(1, 2); // assuming that you are using that android class that has this ctor

Pair<Integer, Pair<Integer, Integer>> pairOfPairs = new Pair<>(3, onePair);

List<Pair<Integer, Pair<Integer, Integer>>> listOfPairedPairs = new ArrayList<>();
listOfPairedPairs.add(pairOfPairs);

listdOfPairedPairs = Arrays.asList(pairOfPairs, someOtherPair, ...);

public Pair<Integer, Pair<Integer, Integer>> of(Integer i1, Integer i2, Integer i3) {
  ... check that uses such code and returns such a paired pair

listdOfPairedPairs = Arrays.asList(of(1,2,3) , of(4,5,6));

listPairOfPair.add(new Pair<>(1, new Pair<>(2, 3)));

listPairOfPair.add(Pair.create(1, Pair.create(2, 3)));