B3311331313231311331322331333132313331322331323133313331312113231   >>    B331133131323131133132233133313231333132233132313331333131211323   <<    B3311331313231311331322331333132313331322331323133313331312113233   >>      B3311331313231311331322331333132313331322331323133313331312113232   >>