Huadada Puzzle Letters On Back

HUADADA Jigsaw Puzzles for Adults 1000 Pieces, Tower Clocks Interlock

Huadada Puzzle Letters On Back. Are they cheating or not? Web the notorious 'letters at the back' of the puzzles:

HUADADA Jigsaw Puzzles for Adults 1000 Pieces, Tower Clocks Interlock
HUADADA Jigsaw Puzzles for Adults 1000 Pieces, Tower Clocks Interlock

Are they cheating or not? What do you do with them? Web the notorious 'letters at the back' of the puzzles:

Web the notorious 'letters at the back' of the puzzles: Are they cheating or not? Web the notorious 'letters at the back' of the puzzles: What do you do with them?