1C 2C 3A 4A 5B 6B 7A 8D 9C 10C
11B 12D 13C 14A 15D 16C 17B 18C 19A 20B
21C 22D 23B 24A 25C 26B 27D 28B 29A 30B
31C 32A 33C 34B 35D 36A 37B 38B 39A 40A
41B 42C 43C 44B 45B 46C 47C 48A 49A 50B