Legacy Puzzle #14

Encrypted Quote

Print this legacy cryptogram or solve it on the page. Use the hint letters to get started, then reveal the answer only when you are ready to check your work.

NXA GCUJKACBA SU AYBX XKWYC MAGCD SC SNXAEO GC NXGO JGUA GO Y FGCZ SU GWWSENYJGNT.

Hint: D = G, S = O

Solve Here

- John Quincy Adams