Been lucky so far solo today, 3 blocks in less than 3 hours:

2 blocks on one card (290):

https://www.dropbox.com/s/1q80t4xlvg82o1k/2blocks.JPG


1 block on another (280x):

https://www.dropbox.com/s/z2jvj3si2dlu0mc/3blocks.JPG