fhZNuLy$6$dgOEYFtAbZmbSQXOSQSGbcgS$1$IBss$8904$toeZCPQaPJDuhh$6$p McjkV$3$UybQLZUXb$61$K$/$gqnzHRw$38$t$782$EOxD$8$Uqgwf$8$Iuuq$7$ntjJ$/$NmVK yCCNhzf$4$aNEBKY

dbJCUgLeRv$7$WmygkzYtmvYF$9$ColGIxGhfHo$1134$kIOAaCL$5//$n tumeB$4$GjQzduKf$/$XuSsvpTB$6$SCD$+9$v$8$WPwL$6$eZz$1$gJVLV$7$JWHnkauU $+aA$

What is the difference in the key between the first example and the second one?

Ciphertext.