65 37 17 5 what are the rules 4 49 441 (?) 65 126 217 344 (?) 5 25 175 (?) 8 12 24 60 (?)
65 37 17 5 1 5 17
65-37=28
37-27=20=28-8
17-5=12=20-8
5-1=4=12-8
1-5=-4=4-8
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