B33113313132313113313223313331323331333131322331333132333132312121   >>    B3311331313231311331322331333132333133313132233133313233313231212   <<    B33113313132313113313223313331323331333131322331333132333132312123   >>      B33113313132313113313223313331323331333131322331333132333132312122   >>