The term regular icosahedron is identified in base64 scheme by the sequence cmVndWxhciBpY29zYWhlZHJvbg==, while the MD5 signature is equal to b0f5e741d9c3a7029e8f08d9b39b6479. The ASCII encoding of regular icosahedron in hexadecimal notation is 726567756c61722069636f7361686564726f6e.