make every node one color, in as few moves as you can.
tap the pulsing node.
tap the node. it turns a quarter turn, the way the switch says.
if it then points at a neighbor, that one turns too and takes the tapped color.
tap the first node.
some taps need a left turn. flip the switch first.
set it to left, then tap the first node.
your turn. one move makes this board one color.
find the move.
stuck? tap optimal or yours to open solutions, then take a hint. hints give the best moves one at a time.
↻B2↺D3↻A1
hints show in your score and share line
tap optimal or yours.
each color is scored on its own. undo and reset are free, and your best counts. full rules
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