B3311331313231311331322331333132313331323131323223313233313231323132231111   >>    B331133131323131133132233133313231333132313132322331323331323132313223111   <<    B3311331313231311331322331333132313331323131323223313233313231323132231113   >>      B3311331313231311331322331333132313331323131323223313233313231323132231112   >>