vvvvMMMMMMMMMMMMMMMMMMMMMMMMMMMMvvvMMMMMM?MMMM?????vvvMMMMM?MMM????vvMMMMMM???MMMM??MMMMMMMMMMM??MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM$$$$$$$$$$$$$$$$$$$$$$$$$$R$$$$R$R$$$$$$$$$$RRRR$$$$RR$$$$RRR$RR$$$$R$$RRRR$$$RR$$$RRR$RRR$$$RRR$R$$$$$R$$$R$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????