$($The ciphertext is stored under the name $hdsf$ in the downloadable computer files $($bit$.$ ly$/2$JbcS$6$p$).$ The plaintext is from Gadsby by Ernest Vincent Wright.$)$

$9.$ The following was encrypted by the Vigen$$re method. Find the plaintext.

ocwyikoooniwugpmxwktzdwgtssayjzwyemdlbnqaaavsuwdvbrflauplo oubfgqhgcscmgzlatoedcsdeidpbhtmuovpiekifpimfnoamvlpqfxejsm xmpgkccaykwfzpyuavtelwhrhmwkbbvgtguvtefjlodfefkvpxsgrsorvg tajbsauhzrzalkwuowhgedefnswmrciwcpaaavogpdnfpktdbalsisurln psjyeatcuceesohhdarkhwotikbroqrdfmzghgucebvgwcdqxgpbgqwlpb daylooqdmuhbdqgmyweuik

$($The ciphertext is stored under the name ocwy in the downloadable computer files $($

bit.ly$/2$JbcS$6$p$).$ The plaintext is from The Adventure of the Dancing Men by Sir Arthur Conan Doyle.$)$