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We played this game 14 times;we used nine numbers five times,seven numbers eight times and thirty-seven numbers once.
The largest amount of numbers you can use is the number one thirty seven times.The smallest amount of numbers you can use is a mixture of seven numbers [7+3+1+7+7+5+7].

We noticed that the first person will always win because the numbers they add will always make an odd number and thirty-seven is an odd number.We know this because odd+odd=even and the second person will always make the number even and so they always lose.