at chai wan,you can take 118(all day)or 118p(only morning)to go to mon kok,then you take 35a,if you go to 石籬二村,you should at shek lei tai loong street(bus stop name),but you go to 石籬1村,you should after this bus stop(shek lai tai loong street)to take off the bus.i always at chai wan to go to shek lei,because i live in shek lei.if you very fast,you can take 小巴 to shek lei(but it is 10$,if you take bus,just 6.4$)118/118p is 9.4$,if you take 小巴 ,just 10-15 min,if you take bus,just about 45 to 1 hour.