1-5 CBABC 6-10 ABCBA11-15 BCACA16-20 CBCBA21-25 ACDCA 26-30 BCCDC 31-35ABDDB36-40 BCAD41-45 ABDAB 46-50 CDBDC 51-55 AABAD56-59 BCAD 60-63 CADA 64-67ACAB 68-71BCDA 72-75 BABD
