B3311331313231311331322331333132313331323331312111133132322331123321   >>    B331133131323131133132233133313231333132333131211113313232233112332   <<    B3311331313231311331322331333132313331323331312111133132322331123323   >>      B3311331313231311331322331333132313331323331312111133132322331123322   >>