2750: Lincoln Memorial – solution

Solvers had to highlight the BINARY (101010111110) and HEXADECIMAL (ABE) forms of the PUZZLE NUMBER (2750), thereby both filling in the otherwise-isolated squares and, via the latter hex form, explaining the significance of the title.

First prize Jon Duckworth, Nottingham
Runners-up Frances Whitehead, Harrogate; Tom Woolford, New Longton, Preston