1b 1c 1d 2b 2c 2d 3b 3c 3d 4b 4c 4d 5b 5c 5d 6b 6c 6d 7b 7c 7d 8b 8c 8d 9b 9c 9d 10b 10c 10d 11b 11c 11d 12b 12c 12d