2 1 1–2
5 4 1–5 1 2 3 7 1 5 6 1–7
8 1–8 1 7 9 1 1–9 8
10 11 1 – 11 1 9 12 1 1 – 12 11
13 1 – 13 14 1 12 1 1 – 14 13
15 1 - 16 1 14 17 16 1 1 – 17 16
2 Apply Stickers