Answer
1A Tick, 1B Cross, 2A Tick, 2B Tick, 3A Cross, 3B Tick, 4A Tick, 4B Tick, 5A Tick, 5B Tick, 6A Tick, 6B Tick, 7A Tick, 7B Tick, 8A Cross, 8B Tick, 9A Tick, 9B Tick, 10A Cross, 10B Tick, 11A Tick, 11B Tick, 12A Tick, 12B Cross, 13A Tick, 13B Tick, 14A Tick, 14B Tick, 15A Cross, 15B Tick.