with(document.getElementById("c"))width=height=n=256,setInterval(function(){getContext("2d").fillRect(x=n&255,n>>8^x,1,1);n=n+127&65535},1)
d2l0aChkb2N1bWVudC5nZXRFbGVtZW50QnlJZCgiYyIpKXdpZHRoPWhlaWdodD1uPTI1NixzZXRJbnRlcnZhbChmdW5jdGlvbigpe2dldENvbnRleHQoIjJkIikuZmlsbFJlY3QoeD1uJjI1NSxuPj44XngsMSwxKTtuPW4rMTI3JjY1NTM1fSwxKQ==
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