The term leave no stone unturned is identified in base64 scheme by the sequence bGVhdmUgbm8gc3RvbmUgdW50dXJuZWQ=, while the MD5 signature is equal to d55583581891cf413886e037162e00a2. The ASCII encoding of leave no stone unturned in hexadecimal notation is 6c65617665206e6f2073746f6e6520756e7475726e6564.