What changes at every step
-
Step 1GELS -> GELD
Tile 4 changes S to D; the move is sideways by letter shape. GELD has 7 legal neighbors, 1 shortest continuation, and 4 moves remaining. Other legal exits from GELS include GETS, GALS, GEES, GEMS.
-
Step 2GELD -> GOLD
Tile 2 changes E to O; the move is closer by letter shape. GOLD has 12 legal neighbors, 1 shortest continuation, and 3 moves remaining. Other legal exits from GELD include HELD, GILD, WELD, MELD.
-
Step 3GOLD -> GOOD
Tile 3 changes L to O; the move is closer by letter shape. GOOD has 10 legal neighbors, 1 shortest continuation, and 2 moves remaining. Other legal exits from GOLD include GOLF, HOLD, GOAD, TOLD.
-
Step 4GOOD -> GOOP
Tile 4 changes D to P; the move is closer by letter shape. GOOP has 9 legal neighbors, 1 shortest continuation, and 1 move remaining. Other legal exits from GOOD include HOOD, GOON, GOOF, FOOD.
-
Step 5GOOP -> POOP
Tile 1 changes G to P; the move is closer by letter shape. POOP has 11 legal neighbors, target reached, and 0 moves remaining. Other legal exits from GOOP include LOOP, COOP, HOOP, BOOP.