56组,反过来也是
{1,3,5}{1,2,3,5}
{1,3,5}{1,3,4,5}
{1,3,5}{1,3,5,6}
{1,3,5}{1,2,3,4,5}
{1,3,5}{1,2,3,5,6}
{1,3,5}{1,3,4,5,6}
{1,3,5}{1,2,3,4,5,6}
{1,2,3,5}{1,3,4,5}
{1,2,3,5}{1,3,5,6}
{1,2,3,5}{1,2,3,4,5}
{1,2,3,5}{1,3,4,5,6}
{1,2,3,5}{1,2,3,5,6}
{1,2,3,5}{1,2,3,4,5,6}
{1,3,4,5}{1,3,5,6}
{1,3,4,5}{1,2,3,4,5}
{1,3,4,5}{1,3,4,5,6}
{1,3,4,5}{1,2,3,5,6}
{1,3,4,5}{1,2,3,4,5,6}
{1,3,5,6}{1,2,3,4,5}
{1,3,5,6}{1,3,4,5,6}
{1,3,5,6}{1,2,3,5,6}
{1,3,5,6}{1,2,3,4,5,6}
{1,2,3,4,5}{1,2,3,5,6}
{1,2,3,4,5}{1,3,4,5,6}
{1,2,3,4,5}{1,2,3,4,5,6}
{1,2,3,5,6}{1,3,4,5,6}
{1,2,3,5,6}{1,2,3,4,5,6}
{1,3,4,5,6}{1,2,3,4,5,6}