# code: http://golf.shinh.org/reveal.rb?sort/tails_1643292130&nbb
# target Nibbles version: 0.23
# commenter version: 0.1.2.181

>> #(tail):[[int]] 
    . #(map):[[int]] 
        intMatrix #(;;$):[[int]] 
        \A 
        \ #(reverse):[int] 
            `< #(sort):[int] 
                A #($):[int]