îTj
@îRj⑫D
@@()=P{
@@(11)=P{PPPQ
@@(11)=(10)+(9)-(6)-(4)PW{PR|PQ|VPQ
@@(12)=P{Q{R{S{U{PQQW
@@(12)=(11)+(10)-(7)-(5)+(0)PQ{PW|W|W{PQQW