C = { 1,2,3,45,6,7,8 } tentukan semua himpunan bagiannya

{1},{2},{3},{4},{5},{6},{7},{8},
{11},{12},{13},{14},{15},{16},{17},{18},
{{22},{23},{24},{25},{26},{27},{28},
{33},{34},{35},{36},{37},{38},
{44},{45},{46},{47},{48},
{55},{56},{57},{58},
{66},{67},{68},
{77},{78},
{88},
{123},{124},{125},{126},{127},{128},
{134},{135},{136},{137},{138},
{145},{146},{147},{148},
{156},{157},{158},
{167},{168},
{178},
{1234},{1235},{1236},{1237},{1238},
{1245},{1246},{1247},{1248},
{1256},{1257},{1258},
{1267},{1268},
{1278},
dst...