Clf 65438+ October
Clg February
Clh March
Clj April
Clk can
Clm June
Cln month
Clq August
Crewe September
CLV 10 month
CLX 1 1 month
Clz 65438+ February
Add the last digit of the expiration year after the contract, then add the space and the last digit of the expiration year of the contract.