{} {} {} {}
{} {} {} {}
{}{1} {} {{1} {} {{1}}
{}{12} {}{12}
{}{2}{12} {}{123}
{}{1}{2}{12} {}{2}{12}
{}{3}{123}
{}{23}{123}
{}{1}{2}{12}
{}{1}{23}{123}
{}{3}{23}{123}
{}{13}{23}{123}
{}{2}{3}{23}{123}
{}{2}{13}{23}{123}
{}{3}{13}{23}{123}
{}{12}{13}{23}{123}
{}{2}{3}{13}{23}{123}
{}{3}{12}{13}{23}{123}
{}{2}{3}{12}{13}{23}{123}
{}{1}{2}{3}{12}{13}{23}{123}
{{1,2}} {{1,2}}
{{2},{1,2}} {{1,2,3}}
{{1},{2},{1,2}} {{2},{1,2}}
{{3},{1,2,3}}
{{1},{2},{1,2}}
{{2,3},{1,2,3}}
{{1},{2,3},{1,2,3}}
{{3},{2,3},{1,2,3}}
{{1,3},{2,3},{1,2,3}}
{{2},{3},{2,3},{1,2,3}}
{{2},{1,3},{2,3},{1,2,3}}
{{3},{1,3},{2,3},{1,2,3}}
{{1,2},{1,3},{2,3},{1,2,3}}
{{2},{3},{1,3},{2,3},{1,2,3}}
{{3},{1,2},{1,3},{2,3},{1,2,3}}
{{2},{3},{1,2},{1,3},{2,3},{1,2,3}}
{{1},{2},{3},{1,2},{1,3},{2,3},{1,2,3}}