The term move back and forth is identified in base64 scheme by the sequence bW92ZSBiYWNrIGFuZCBmb3J0aA==, while the MD5 signature is equal to 55e0760df1f7d661c6124f76cd0e31a6. The ASCII encoding of move back and forth in hexadecimal notation is 6d6f7665206261636b20616e6420666f727468.