5. The telephone numbers to town nm from UUUUU to 99999. The automated stmtchhoard mag.F switch two digits whieh have exactly one ether digit between them, at most one such switch is made and there are no ether kinds of errors. It has been decided that a sixth digit 3' will be added to each phone number abode. There are four different proposals for the choice oth': Codel: o+ b+ c+ d+ e+ XE(mod12) Codez: od+5b+4c+3d+2e+ XEI'J (modlz) Code3: 2d+2b+ c+ d+2e+2famodlm Coded: 5o+3b+4c+4d+3e+5XE (modlz) In each of these codes: err 5 1o (mod 12) the symbol \"s\" wit] be used for it. err s 11 (mod 12) the symbol \"e\" wiil be used for it. Which of these codes can detect the described error? "the codests} that can detect the described error are: [co-cits aft that appt'y] Code 1 Code 2 Code 3 Code 4