Möbius-strip crosswords

Randall Rothenberg in the New York Times (1988-08-10) writes that although “Puzzle Makers Exchange Cross Words” about the fall of ERNE and ESNE and the rise of XEROX and PEACE PLAN, one Robert Guilbert Sr. was ignorant of the dispute two years ago when he developed a competitive crossword game called Pago Pago and first became aware of crossword fans’ passion for the pastime.

Nguồn: https://quuxplusone.github.io/blog/2026/08/04/mobius-crossword. 8sync News chỉ tóm tắt và dẫn link; bản quyền nội dung thuộc tác giả và nguồn gốc.