(n;i):"\n\n"\1:"i/14" (s;r):-"A"-+" -> "\'"\n"\i r:s{w:26/'((*x),y;y,*|x);w!1}'r s:26/'s d:#'=26/'-"A"-|'1_,':n {w:x{+/(.x)*r@s?!x}/d -2!-/|*'|:\1_?r@