The term perpetual motion machine is identified in base64 scheme by the sequence cGVycGV0dWFsIG1vdGlvbiBtYWNoaW5l, while the MD5 signature is equal to 121137cd7af396067ac1a7398a9bfdb4. The ASCII encoding of perpetual motion machine in hexadecimal notation is 70657270657475616c206d6f74696f6e206d616368696e65.