My calender is rather busy.
[img=https://scontent-b.xx.fbcdn.net/hphotos-prn2/t1.0-9/10336732_10154111872225273_1207149990873529083_n.jpg]

Post is up, I tried to explain it but wasn't sure how and didn't want to override Raid's excellent take on it earlier, so I hope it's not too stupid!