What changes at every step
-
Step 1RACK -> HACK
Tile 1 changes R to H; the move is sideways by letter shape. HACK has 14 legal neighbors, 1 shortest continuation, and 4 moves remaining. Other legal exits from RACK include LACK, ROCK, BACK, JACK.
-
Step 2HACK -> HOCK
Tile 2 changes A to O; the move is closer by letter shape. HOCK has 14 legal neighbors, 1 shortest continuation, and 3 moves remaining. Other legal exits from HACK include HECK, HICK, LACK, HANK.
-
Step 3HOCK -> HOOK
Tile 3 changes C to O; the move is closer by letter shape. HOOK has 14 legal neighbors, 1 shortest continuation, and 2 moves remaining. Other legal exits from HOCK include COCK, HONK, LOCK, DOCK.
-
Step 4HOOK -> HOOP
Tile 4 changes K to P; the move is closer by letter shape. HOOP has 8 legal neighbors, 1 shortest continuation, and 1 move remaining. Other legal exits from HOOK include COOK, HOOD, HOOF, HOOT.
-
Step 5HOOP -> POOP
Tile 1 changes H to P; the move is closer by letter shape. POOP has 12 legal neighbors, target reached, and 0 moves remaining. Other legal exits from HOOP include COOP, LOOP, GOOP, HOOD.