B3311331313231311331322331333132313231333133313311211113313331323132321332321   >>    B331133131323131133132233133313231323133313331331121111331333132313232133232   <<    B3311331313231311331322331333132313231333133313311211113313331323132321332323   >>      B3311331313231311331322331333132313231333133313311211113313331323132321332322   >>