# code: http://golf.shinh.org/reveal.rb?Snowfall/tails_1645180093&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

| #(filter):[[chr]] 
    `' #(transpose):[[chr]] 
        . #(map):[[chr]] 
            `' #(transpose):[[chr]] 
                allLines #(;;@):[[chr]] 
            \A 
            : #(append):[chr] 
                | #(partition):[chr] 
                    A #($):[chr] 
                    ~ #(par......):null 
                    ~ #(...tition):null 
                    ~ #(not):null 
                    \B 
                    B #($):chr 
                sets C 
                C #($):[chr] 
    \D 
    | #(filter):[chr] 
        #(implicit arg = D):[chr] 
        #\E 
        #(implicit arg = E):chr