B3311331313231311331322331333132333133313132233133313232233132313332113311   >>    B331133131323131133132233133313233313331313223313331323223313231333211331   <<    B3311331313231311331322331333132333133313132233133313232233132313332113313   >>      B3311331313231311331322331333132333133313132233133313232233132313332113312   >>