The term fore-and-aft topsail is identified in base64 scheme by the sequence Zm9yZS1hbmQtYWZ0IHRvcHNhaWw=, while the MD5 signature is equal to 61c673512ea6d09e91453584f858e018. The ASCII encoding of fore-and-aft topsail in hexadecimal notation is 666f72652d616e642d61667420746f707361696c.