Discrepancies in CJK compat ex

[Mercury13]

2F810 81C 830 813 ≠ 84C ≠ 853 856 ≠ 86E ≠ 871 ≠ 873 ≠ 876 87E ≠ 87F ≠ 889 ≠ 8A9 ≠ 8BE 8E8 8FF 90B ≠ 90C ≠ 91C Maybe enough?

Unless noted otherwise, all BS characters are equiv. to their main block counterparts.