B3311331313231311331322331333132313331323133313233313232233112111121   >>    B331133131323131133132233133313231333132313331323331323223311211112   <<    B3311331313231311331322331333132313331323133313233313232233112111123   >>      B3311331313231311331322331333132313331323133313233313232233112111122   >>