The term ice-skating rink is identified in base64 scheme by the sequence aWNlLXNrYXRpbmcgcmluaw==, while the MD5 signature is equal to 71a7f81fd3038afb45477dbe01ae20c8. The ASCII encoding of ice-skating rink in hexadecimal notation is 6963652d736b6174696e672072696e6b.