Kryptos K4 as a 5 × 19 grid

glthr.com (Guillaume Lethuillier)

The articles:

A Fresh Perspective on Kryptos K4 (2024), the W as a separator
Kryptos K4: The W-Rectangle and Its Half-Turn (2026), the grid on this page

Color by

Known plaintext W as X (hypothesis) Position numbers

The grid holds 95 of K4’s 97 letters. The final AR remains unexplained and must be accounted for in any decryption. The grid’s center is position 48; the complete text’s center is position 49.

Kryptos K4 as a 5 × 19 grid

Segments (the runs between the W’s)

Structures