Instructions
Look for a row or column with a number higher than five and as few Voltorbs as possible. This will be the biggest risk you take during the game, since you are trying to get a 2x or 3x multiplier as quickly as possible. Use the "Voltorb Flip Calculator" to determine the probability that a tile will have a multiplier or Voltorb.
Avoid any 0/5 line, as these are the least safe lines. This is a guarantee of all Voltorbs in a line, which will end your game if tripped. You can use your "notes" to mark individual spaces or lines to remind yourself not to play those lines. Lines where the number of coins and Voltorbs total five should be avoided as long as possible, as these are more likely to contain a few ones and a few Voltorbs, but never twos or threes.
Fill in any rows completely that have zero Voltorbs in them to complete the puzzle. Technically, you only have to find every two and three to advance to the next level, which has greater coin multipliers and therefore, higher coin rewards.