frank@Hugin:~/Dokumente/perl/bingo$ ./bingo_math.pl
There are 210 combinations possible.

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These 20 combinations are selected:
term1,term2,term3,term5,term6,term8,
term1,term2,term3,term7,term8,term9,
term3,term4,term7,term8,term9,term10,
term2,term3,term5,term6,term7,term10,
term4,term6,term7,term8,term9,term10,
term2,term3,term4,term6,term8,term9,
term1,term4,term6,term7,term8,term10,
term1,term4,term6,term7,term9,term10,
term1,term4,term5,term7,term8,term10,
term1,term4,term6,term7,term8,term9,
term1,term2,term3,term5,term6,term9,
term1,term2,term4,term5,term6,term7,
term2,term3,term5,term8,term9,term10,
term1,term2,term3,term4,term5,term7,
term2,term3,term5,term7,term9,term10,
term2,term3,term4,term5,term9,term10,
term1,term3,term4,term8,term9,term10,
term1,term2,term5,term6,term8,term9,
term1,term2,term3,term5,term6,term10,
term4,term5,term6,term7,term8,term10,

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These terms are in use:
term1: 12x
term10: 12x
term2: 12x
term3: 12x
term4: 12x
term5: 12x
term6: 12x
term7: 12x
term8: 12x
term9: 12x