B3311331313231311331322331333132313233313231333131113331323132322332321   >>    B331133131323131133132233133313231323331323133313111333132313232233232   <<    B3311331313231311331322331333132313233313231333131113331323132322332323   >>      B3311331313231311331322331333132313233313231333131113331323132322332322   >>