The term flexible sigmoidoscope is identified in base64 scheme by the sequence ZmxleGlibGUgc2lnbW9pZG9zY29wZQ==, while the MD5 signature is equal to 2b6e7aa4232fa3a41d5675e9d079d79e. The ASCII encoding of flexible sigmoidoscope in hexadecimal notation is 666c657869626c65207369676d6f69646f73636f7065.