B3311331313231311331322331333132313331322121133133313331323132222131   >>    B331133131323131133132233133313231333132212113313331333132313222213   <<    B3311331313231311331322331333132313331322121133133313331323132222133   >>      B3311331313231311331322331333132313331322121133133313331323132222132   >>