B3311331313231311331322331333132322331322112331323132322231323231   >>    B331133131323131133132233133313232233132211233132313232223132323   <<    B3311331313231311331322331333132322331322112331323132322231323233   >>      B3311331313231311331322331333132322331322112331323132322231323232   >>