O D-sSD-sS D S s P - P s S D g D S s P s-O D-sSD S s P - P s S D g D S s P O - O D-sSD-sS D S s P - P s S D g D S s P s-O D-sSD S s P - P s S D g D S s P O---O PsS D P-D gDS s P s O PsS D P-D gDS s P--- O PsS D P-D gDS s P s O PsS D P-D gDS s P---O PsS P s-O oOP o i Y Y PsS P s-O oOP o O--- O PsS D P-D gDS s P s O PsS D P-D gDS s P---O PsS P s-O oOP o i Y Y PsS P s-O oOP o O