B33113313132313113313223313331323331313331322331333132313331322121   >>    B3311331313231311331322331333132333131333132233133313231333132212   <<    B33113313132313113313223313331323331313331322331333132313331322123   >>      B33113313132313113313223313331323331313331322331333132313331322122   >>