B3311331313231311331322331333132313231333131323223313331323132311321131   >>    B331133131323131133132233133313231323133313132322331333132313231132113   <<    B3311331313231311331322331333132313231333131323223313331323132311321133   >>      B3311331313231311331322331333132313231333131323223313331323132311321132   >>