B3311331313231311331322331333132313331322331323133313331333132132311   >>    B331133131323131133132233133313231333132233132313331333133313213231   <<    B3311331313231311331322331333132313331322331323133313331333132132313   >>      B3311331313231311331322331333132313331322331323133313331333132132312   >>