The term quadrangular prism is identified in base64 scheme by the sequence cXVhZHJhbmd1bGFyIHByaXNt, while the MD5 signature is equal to 866d01a919044b6e97f3b427760ac516. The ASCII encoding of quadrangular prism in hexadecimal notation is 7175616472616e67756c617220707269736d.