The term tonguing and grooving plane is identified in base64 scheme by the sequence dG9uZ3VpbmcgYW5kIGdyb292aW5nIHBsYW5l, while the MD5 signature is equal to 3d3e0cf3b97556863b9053bc54273394. The ASCII encoding of tonguing and grooving plane in hexadecimal notation is 746f6e6775696e6720616e642067726f6f76696e6720706c616e65.