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1. The numbers you should aim for when playing this game are 6 and 1 because they are in the centre of the grid and have many possibilities of getting three in a row.
2. The easiest number on the grid to get is 7, as the chance of rolling a total of seven is higher than any other number, because there are several ways to make seven.
3. The hardest numbers to get are -5 and 12 because for both of them there is only one combination of numbers which you can roll to get them as a total.