# code: http://golf.shinh.org/reveal.rb?rotate+lines+reversely/tails_1646157034&nbb
# target Nibbles version: 0.24
# commenter version: 0.1.2.181

: #(append):[[chr]] 
    `( #(uncons):[chr] 
        \ #(reverse):[[chr]] 
            allLines #(;;@):[[chr]] 
    sets A 
    \ #(reverse):[[chr]] 
        #(implicit arg = A):[[chr]]