What changes at every step
-
Step 1RAFT -> RIFT
Tile 2 changes A to I; the move is sideways by letter shape. RIFT has 7 legal neighbors, 2 shortest continuations, and 5 moves remaining. Other legal exits from RAFT include HAFT, RANT, DAFT, RAPT.
-
Step 2RIFT -> RIOT
Tile 3 changes F to O; the move is closer by letter shape. RIOT has 2 legal neighbors, 1 shortest continuation, and 4 moves remaining. Other legal exits from RIFT include LIFT, GIFT, SIFT, RIFF.
-
Step 3RIOT -> ROOT
Tile 2 changes I to O; the move is closer by letter shape. ROOT has 15 legal neighbors, 5 shortest continuations, and 3 moves remaining. RIOT has no additional off-route exit in the sampled branch set.
-
Step 4ROOT -> LOOT
Tile 1 changes R to L; the move is sideways by letter shape. LOOT has 16 legal neighbors, 1 shortest continuation, and 2 moves remaining. Other legal exits from ROOT include BOOT, ROOF, HOOT, COOT.
-
Step 5LOOT -> LOOP
Tile 4 changes T to P; the move is closer by letter shape. LOOP has 9 legal neighbors, 1 shortest continuation, and 1 move remaining. Other legal exits from LOOT include LOOK, BOOT, LOOM, LOON.
-
Step 6LOOP -> POOP
Tile 1 changes L to P; the move is closer by letter shape. POOP has 11 legal neighbors, target reached, and 0 moves remaining. Other legal exits from LOOP include COOP, HOOP, BOOP, GOOP.