The term sweet four o'clock is identified in base64 scheme by the sequence c3dlZXQgZm91ciBvJ2Nsb2Nr, while the MD5 signature is equal to 54a70fd6186194db58b22807e67c1369. The ASCII encoding of sweet four o'clock in hexadecimal notation is 737765657420666f7572206f27636c6f636b.