Guid a = new Guid("709DBFA9-88B3-4518-A32F-C21B6AAE2917");
Guid b = new Guid("B9956FC6-FD9B-4F52-B96E-C1D0C29E1E55");
Guid c = new Guid("BFB9054A-AB18-4349-BCB4-19979D3486BB"); // <-- you know this one, the c guid
Guid d = new Guid("1A8D6CAB-FD42-4517-A0EA-08D3F64DCD69");
Guid e = new Guid("02A8CA8A-5BC8-41BE-8AB8-332EF0B5407B");
List<Guid> guidList = new List<Guid> {a, b, c, d, e};