WORD-c1 Thumbnail of a WORD-c1 puzzle.

Size:
4x4.
Elements:
W, O, R, and D.
Groups: Thirteen total.
The 4 rows.
The 4 columns.
The 4 2x2 squares.
The outside corners.
Instructions:
Precise details on group numbering.
Answer grids:

Puzzle Difficulty levels and Examples

Difficulty LevelLowHighExample
Easiest 2 2 Puzzle   ·   3-steps   ·   All-steps   ·   Solution grid
Easy 3 4 Puzzle   ·   3-steps   ·   All-steps   ·   Solution grid