Tip 1: 3, 7, 10, 16, 26, 27  |  Extra: 3<br>Tip 2: 1, 2, 7, 9, 10, 13  |  Extra: 2<br>Tip 3: 1, 4, 16, 18, 20, 21  |  Extra: 2<br>Tip 4: 4, 6, 13, 15, 18, 24  |  Extra: 7<br>Tip 5: 2, 3, 5, 14, 24, 25  |  Extra: 5<br>