B3311331313231311331322331333132333132311233132313331323132322311   >>    B331133131323131133132233133313233313231123313231333132313232231   <<    B3311331313231311331322331333132333132311233132313331323132322313   >>      B3311331313231311331322331333132333132311233132313331323132322312   >>