=ck1=ck1j:=ck1z:\ck1\ck1j:\ck1z:yck1@yck1j:yck1z:ck1ck1j:ck1z:ck1/ck1j:ck1z:ck1ck1j:ck1z:ck1ck1j:ck1z:-dk1-dk1j:-dk1z:Ldk1(Ldk1j:Ldk1z:idk1idk1j:jdk1z:dk1dk1j:dk1z:dk1dk1j:dk1z:dk1dk1j:dk1z:dk1dk1j:dk1z:dk1dk1j:ek1z:ek1ek1j:ek1z:;ek1;ek1j: