Tip 1: 5, 6, 22, 23, 24, 25  |  Extra: 3<br>Tip 2: 4, 5, 10, 12, 15, 22  |  Extra: 7<br>Tip 3: 9, 12, 17, 18, 21, 27  |  Extra: 4<br>Tip 4: 1, 8, 10, 20, 22, 25  |  Extra: 6<br>Tip 5: 2, 7, 15, 17, 24, 26  |  Extra: 2<br>