20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1

32 19 18 17 16 15 14 13 12 11 10 9 8 7 6c 6b 6a 5c 5b 5a 4c 4b 4a 3c 3b 3a 2c 2b 2a 1c 1b 1a