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Gli amici del 30: 21+9, 22+8, 28+2, 24+6, 20+10, 6+24, 9+21, 25+5, 7+23, 29+1, 27+3, 26+4, 23+7, 30+0, non amici del 20: 10+5, 7+7, 5+5, 11+6, 10+3, 14+7, 19+1, 14+9, 3+9, 20+20, 100+6,

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