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perl -F// -ane'print+(map{($r*=36)+=/\d/?$_:-55+ord$_}@F)[-2]'
echo 1Z|perl -F// -ane'print+(map{($r*=36)+=/\d/?$_:-55+ord$_}@F)[-2]'
perl -F// -ane'print+(map{($r*=36)+=/\d/?$_:-55+ord}@F)[-2]'