B3311331313231311331322331333132313233313233313132333133313231333132233132331   >>    B331133131323131133132233133313231323331323331313233313331323133313223313233   <<    B3311331313231311331322331333132313233313233313132333133313231333132233132333   >>      B3311331313231311331322331333132313233313233313132333133313231333132233132332   >>