AA:=O<MA(C,5); BB:=O<MA(C,10); CC:=O<MA(C,20);DD:=O<MA(C,30);EE:=C>MA(C,5) ;FF:=C>MA(C,10);GG:=C>MA(C,20);HH:=C>MA(C,30);AA AND BB AND CC AND DD AND EE AND FF AND GG AND HH;