Palindromic Quine by flagitious(alnum)

 class String
alias each bytes end
def
dne dne
dne i ctup esle yalpsid
76
nehw01 ctup
66
nehw23 ctup
56
nehw
i esac
eman ni i rof end
fi class
AclassAStringBaliasAeachAbytesAendBdefBdneAdneBdneAiActupAesleAyalpsidB76Bnehw01ActupB66Bnehw23ActupB56BnehwBiAesacBemanAniAiArofAendBfiAclassBCBssalcAifBdneAforAiAinAnameBcaseAiBwhenB65BputcA32whenB66BputcA10whenB67BdisplayAelseAputcAiAendBendAendBfedBdneAsetybAhcaeAsailaBgnirtSAssalcA
ssalc if
dne for i in name
case i
when
65
putc 32when
66
putc 10when
67
display else putc i end
end end
fed
dne setyb hcae saila
gnirtS ssalc 

Note that non-ascii characters in the above source code will be escaped (such as \x9f).

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