{1, 2, 3, 4}
{1, 2, 3, 5}
{1, 2, 3, 6}
{1, 2, 3, 7}
{1, 2, 3, 8}
{1, 2, 3, 9}
{1, 2, 4, 5}
{1, 2, 4, 6}
{1, 2, 4, 7}
{1, 2, 4, 8}
{1, 2, 4, 9}
{1, 2, 5, 6}
{1, 2, 5, 7}
{1, 2, 5, 8}
{1, 2, 5, 9}
{1, 2, 6, 7}
{1, 2, 6, 8}
{1, 2, 6, 9}
{1, 2, 7, 8}
{1, 2, 7, 9}
{1, 2, 8, 9}
{1, 3, 4, 5}
{1, 3, 4, 6}
{1, 3, 4, 7}
{1, 3, 4, 8}
{1, 3, 4, 9}
{1, 3, 5, 6}
{1, 3, 5, 7}
{1, 3, 5, 8}
{1, 3, 5, 9}
{1, 3, 6, 7}
{1, 3, 6, 8}
{1, 3, 6, 9}
{1, 3, 7, 8}
{1, 3, 7, 9}
{1, 3, 8, 9}
{1, 4, 5, 6}
{1, 4, 5, 7}
{1, 4, 5, 8}
{1, 4, 5, 9}
{1, 4, 6, 7}
{1, 4, 6, 8}
{1, 4, 6, 9}
{1, 4, 7, 8}
{1, 4, 7, 9}
{1, 4, 8, 9}
{1, 5, 6, 7}
{1, 5, 6, 8}
{1, 5, 6, 9}
{1, 5, 7, 8}
{1, 5, 7, 9}
{1, 5, 8, 9}
{1, 6, 7, 8}
{1, 6, 7, 9}
{1, 6, 8, 9}
{1, 7, 8, 9}
{2, 3, 4, 5}
{2, 3, 4, 6}
{2, 3, 4, 7}
{2, 3, 4, 8}
{2, 3, 4, 9}
{2, 3, 5, 6}
{2, 3, 5, 7}
{2, 3, 5, 8}
{2, 3, 5, 9}
{2, 3, 6, 7}
{2, 3, 6, 8}
{2, 3, 6, 9}
{2, 3, 7, 8}
{2, 3, 7, 9}
{2, 3, 8, 9}
{2, 4, 5, 6}
{2, 4, 5, 7}
{2, 4, 5, 8}
{2, 4, 5, 9}
{2, 4, 6, 7}
{2, 4, 6, 8}
{2, 4, 6, 9}
{2, 4, 7, 8}
{2, 4, 7, 9}
{2, 4, 8, 9}
{2, 5, 6, 7}
{2, 5, 6, 8}
{2, 5, 6, 9}
{2, 5, 7, 8}
{2, 5, 7, 9}
{2, 5, 8, 9}
{2, 6, 7, 8}
{2, 6, 7, 9}
{2, 6, 8, 9}
{2, 7, 8, 9}
{3, 4, 5, 6}
{3, 4, 5, 7}
{3, 4, 5, 8}
{3, 4, 5, 9}
{3, 4, 6, 7}
{3, 4, 6, 8}
{3, 4, 6, 9}
{3, 4, 7, 8}
{3, 4, 7, 9}
{3, 4, 8, 9}
{3, 5, 6, 7}
{3, 5, 6, 8}
{3, 5, 6, 9}
{3, 5, 7, 8}
{3, 5, 7, 9}
{3, 5, 8, 9}
{3, 6, 7, 8}
{3, 6, 7, 9}
{3, 6, 8, 9}
{3, 7, 8, 9}
{4, 5, 6, 7}
{4, 5, 6, 8}
{4, 5, 6, 9}
{4, 5, 7, 8}
{4, 5, 7, 9}
{4, 5, 8, 9}
{4, 6, 7, 8}
{4, 6, 7, 9}
{4, 6, 8, 9}
{4, 7, 8, 9}
{5, 6, 7, 8}
{5, 6, 7, 9}
{5, 6, 8, 9}
{5, 7, 8, 9}
{6, 7, 8, 9}