Sliding Block Puzzles: Clear the Blocker Chain, Free the Target
Work back from the target: trace the blocker chain, count free cells, move small pieces first. A worked tray, a parking-style grid and a practice puzzle.
Riddle10 blog
Riddle10 blog
Work back from the target: trace the blocker chain, count free cells, move small pieces first. A worked tray, a parking-style grid and a practice puzzle.