B3311331313231311331322331333132313331323223312113313331333133311211311131   >>    B331133131323131133132233133313231333132322331211331333133313331121131113   <<    B3311331313231311331322331333132313331323223312113313331333133311211311133   >>      B3311331313231311331322331333132313331323223312113313331333133311211311132   >>