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12 steps using 9 paints -
8 steps using 7 paints -
8 steps using 6 paints -
9 steps using 10 paints -
8 steps using 6 paints -
15 steps using 14 paints -
15 steps using 13 paints -
15 steps using 13 paints -
9 steps using 8 paints -
4 steps using 4 paints -
10 steps using 10 paints -
13 steps using 9 paints