B33113313132313113313223313331323331323321133133313331333131333112121   >>    B3311331313231311331322331333132333132332113313331333133313133311212   <<    B33113313132313113313223313331323331323321133133313331333131333112123   >>      B33113313132313113313223313331323331323321133133313331333131333112122   >>