If you have "3 1 5" and you burst 1, you gain 3x1x5 points and the state becomes "3 5", with the two remaining balloons being adjacent to each other. The "1x3x

If you have "3 1 5" and you burst 1, you gain 3x1x5 points and the state becomes "3 5", with the two remaining balloons being adjacent to each other. The "1x3x1=1" part for the earlier example is a typo indeed, it should be 3.