The provided article content appears to contain only website cookie policy information rather than the actual news story about Brian Eno's artwork. The original text consists entirely of a cookie consent notice stating: 'We use essential cookies to make our site work. With your consent, we may also use non-essential cookies to improve user experience and analyze website traffic. By clicking Accept, you agree to our website's cookie use as described in our Cookie Policy. You can change your cookie settings at any time by clicking Preferences.'

Without the actual article content about Brian Eno's 'Blocks' paintings, it's impossible to provide the detailed information about the artwork, sale details, or other relevant information that would typically be found in such a story.

To properly rewrite this article, the complete original content about Brian Eno's kaleidoscopic paintings would need to be provided, including details about the artwork, exhibition information, pricing, and availability.