[sjoerd_visscher]

Column 2 and 5 are the same

[mhandley]

You're correct - I didn't notice this. Sorry I deleted my original message once I realised to avoid too much noise but you'd already commented. Here's the link again to avoid messing up the thread completely: http://handley.org.uk/ohhi.png

[tpaksoy]

You need to have the same amount of red as blue in a row/column.