1-5 DCBDA        6-10 ACBCD      11-15 DABCA       16-20 BBACB 21-25 CABCA      26-30 BDDAC      31-35 BDCBA      36-40 BACDD 41-45 BDCAB      46-50 CADAB      51-55 ACBDD      56-60 ACDBD  61-65 ACDBA     66-70 DADBC