A 3 8 10 15 20
B 1 2 9 12 19
C 4
D 11
A 3 8 10 15 20
B 1 2 9 12 19
C 4
D 11
C 1258
A 7
12221 22111
12212 11212
12122 11221
1-10:BBACDCDABA
11-20:DBADADCDAB
1-10:CCDBCDACBD
11-20:√×××√√√√√√
1-10:ABDABCCBAC
11-20:√××√√√√×√×
1-10:DBADAADCAA
11-20:√√√××√√××√
1-10:ACDDBDDCDB
11-20:√×√√×××√×√