1-10 CBBDCACBDB 11-15 ACBDD 16-20 DBCAD 21-24 CDDBc 26-30 BBDBB 31-33 CADAB 36-40 BDDDA 41-45 BAADD 46-50 BCAAB 51-55 BDDBA 56-60 AADCC
61 ABC 62 ABD 63 BD 64 ABCD 65 ACD 66 ABCD 67 ABCD 68 ABCD 69 ABCD 70 ABCD 71 ACD 72 ABD 73 CD 74BCD 75 ABCD 76 ABCD 77 ABCD 78 ABCD 79 BD 80 AD 81-85 √√√√√86-90√×√√×91-95×√√××96-100√√√×√