What changes at every step
-
Step 1DONG -> BONG
Tile 1 changes D to B; the move is sideways by letter shape. BONG has 12 legal neighbors, 1 shortest continuation, and 4 moves remaining. Other legal exits from DONG include DONE, DONS, LONG, SONG.
-
Step 2BONG -> BONK
Tile 4 changes G to K; the move is sideways by letter shape. BONK has 13 legal neighbors, 1 shortest continuation, and 3 moves remaining. Other legal exits from BONG include BOND, BONE, BONY, LONG.
-
Step 3BONK -> BOOK
Tile 3 changes N to O; the move is closer by letter shape. BOOK has 17 legal neighbors, 1 shortest continuation, and 2 moves remaining. Other legal exits from BONK include BOCK, HONK, CONK, BANK.
-
Step 4BOOK -> BOOP
Tile 4 changes K to P; the move is closer by letter shape. BOOP has 12 legal neighbors, 1 shortest continuation, and 1 move remaining. Other legal exits from BOOK include LOOK, COOK, BOOT, HOOK.
-
Step 5BOOP -> POOP
Tile 1 changes B to P; the move is closer by letter shape. POOP has 11 legal neighbors, target reached, and 0 moves remaining. Other legal exits from BOOP include LOOP, COOP, HOOP, GOOP.