D33132221323131133131323132321233131323223313223313233313113313232211   >>    D3313222132313113313132313232123313132322331322331323331311331323221   <<    D33132221323131133131323132321233131323223313223313233313113313232213   >>      D33132221323131133131323132321233131323223313223313233313113313232212   >>