B3311331313231311331322331333132313232233131311331333132313331323221111111   >>    B331133131323131133132233133313231323223313131133133313231333132322111111   <<    B3311331313231311331322331333132313232233131311331333132313331323221111113   >>      B3311331313231311331322331333132313232233131311331333132313331323221111112   >>