B33113313132313113313223313331323133313231313232233131333133313233313123122321   >>    B3311331313231311331322331333132313331323131323223313133313331323331312312232   <<    B33113313132313113313223313331323133313231313232233131333133313233313123122323   >>      B33113313132313113313223313331323133313231313232233131333133313233313123122322   >>