The term counterclockwise rotation is identified in base64 scheme by the sequence Y291bnRlcmNsb2Nrd2lzZSByb3RhdGlvbg==, while the MD5 signature is equal to 012da2f61a00aa31de1df163fdc8b154. The ASCII encoding of counterclockwise rotation in hexadecimal notation is 636f756e746572636c6f636b7769736520726f746174696f6e.