With the embedded db-MBE(2), the relative energies are further improved. The energetic ordering of the isomers is mostly correct, except for some close-lying isomers (e.g., isomers 06 and 10, isomers 05 and 07) and some remaining deviations in the energy differences between isomers. For the db-MBE(2) relative energies, all three embedding schemes perform comparably well. The most accurate results are found for the relaxed FDEft embedding potential with with a mean error of 0.6 kJ/mol and a maximum error of 1.4 kJ/mol in the relative energies. The db-MBE(3) further improves the energy differences between isomers slightly. With FDE-ft embedding, the mean and maximum errors in relative energies amount to 0.7 kJ/mol and 1.1 kJ/mol.