B3311331313231311331322331333132313231121133131133132322331323132312323221   >>    B331133131323131133132233133313231323112113313113313232233132313231232322   <<    B3311331313231311331322331333132313231121133131133132322331323132312323223   >>      B3311331313231311331322331333132313231121133131133132322331323132312323222   >>