B3311331313231311331322331333131133133313111333133313331322331231   >>    B331133131323131133132233133313113313331311133313331333132233123   <<    B3311331313231311331322331333131133133313111333133313331322331233   >>      B3311331313231311331322331333131133133313111333133313331322331232   >>