B3311331313231311331322331333132313331323131323223313232212323132313232233231   >>    B331133131323131133132233133313231333132313132322331323221232313231323223323   <<    B3311331313231311331322331333132313331323131323223313232212323132313232233233   >>      B3311331313231311331322331333132313331323131323223313232212323132313232233232   >>