# code: http://golf.shinh.org/reveal.rb?lower+bounds+for+acceptable+dating/lynn_1640193865&nbb
# target Nibbles version: 0.2
# commenter version: 0.1.2.181

#(implicit map):[[chr]] 
    > #(drop):[[int]] 
        10 #(integer):int 
        `/ #(chunks of):[[int]] 
            2 #(integer):int 
            , #(range from 1):[int] 
                $ #(= fstInt):int 
    : #(append):[chr] <--arg( B:[int] A:[int] ) 
        * #(join):[chr] 
            ", " #(string):[chr] 
            $ #(= B):[int] 
        : #(append):[chr] 
            ": " #(string):[chr] 
            + #(add):int 
                / #(divide):int 
                    + #(sum):int 
                        $ #(= B):[int] 
                    4 #(integer):int 
                8 #(integer):int