The term solitary confinement is identified in base64 scheme by the sequence c29saXRhcnkgY29uZmluZW1lbnQ=, while the MD5 signature is equal to 3d4426fb13510a00eb7a03c986f70ce4. The ASCII encoding of solitary confinement in hexadecimal notation is 736f6c697461727920636f6e66696e656d656e74.