Program 7.1.21

Race 1: 1-4-6-5
Race 2: 6-7-2-5
Race 3: 1-5-2-4
Race 4: 1-8-5-2
Race 5: 3-5-8-4
Race 6: 6-1-8-3
Race 7: 2-7-5-1
Race 8: 5-6-4-3