B3311331313231311331322331333132313331322331323133313233313133123231   >>    B331133131323131133132233133313231333132233132313331323331313312323   <<    B3311331313231311331322331333132313331322331323133313233313133123233   >>      B3311331313231311331322331333132313331322331323133313233313133123232   >>