B3311331313231311331322331333132322132322331323132322331333132321133231   >>    B331133131323131133132233133313232213232233132313232233133313232113323   <<    B3311331313231311331322331333132322132322331323132322331333132321133233   >>      B3311331313231311331322331333132322132322331323132322331333132321133232   >>