# code: http://golf.shinh.org/reveal.rb?Looped+grid/tails_1644978021&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

#(implicit map with implicit range):[[int]] 
    $ #(= fstInt):int 
    . #(map):[int] <--arg( B:int A:int ) 
        , #(range from 1):[int] 
            _ #(= fstInt):int 
        + #(add):int <--arg( C:int ) 
            != #(abs diff):int 
                $ #(= C):int 
                @ #(= B):int 
            ~ #(auto = 1):auto