B3311331313231311331322331333132313331323232233133112323132333131   >>    B331133131323131133132233133313231333132323223313311232313233313   <<    B3311331313231311331322331333132313331323232233133112323132333133   >>      B3311331313231311331322331333132313331323232233133112323132333132   >>