mmmmmmmmm

?????
?????
???????
?????????
???????
???????
???: ??? ??/→+C
???: ?????? ??/→+D
???: ??? →+A
???: ??? →+B
???: ?????? ←↓→+A
???? ←↓→+B
Y,http://www.oudfrance.com/koinran/20110124032207924557.html,Y??? →↓←+A
???? ←?→+A/C
??????? ?? ←↓→+B/D
????? ↓?↑+A/
?????? →←→+AC
????? ←↓→+ABC
???: ???? ←↓→←↓→+A/C
????? ←↓→ →↓←+A/C
MAX???: ?????? ←↓→←↓→+A/C
?????? AC,BD,ABC
?????: ???? →?????→??
???? ?????????BCD
?????? A,B,C,A,B,C,D,ABC
?????? A,B,C,A,B,C,D,BCD
??????? D,C,↓,C,D